| 17 | Contaminant Grafter | Lars Grant-West | Green | R | Phyrexia: All Will Be One Commander |
| 55 | Contaminant Grafter | Lars Grant-West | Green | R | Phyrexia: All Will Be One Commander |
| 245 | Contaminated Aquifer | Robin Olausson | | L | Dominaria United |
| 61 | Contaminated Bond | Thomas M. Baxa | Black | C | Mirrodin |
| 120 | Contaminated Bond | Thomas M. Baxa | Black | C | Ninth Edition |
| 132 | Contaminated Bond | Thomas M. Baxa | Black | C | Tenth Edition |
| 99 | Contaminated Drink | Craig Elliott | Blue/Black | U | Magic The Gathering—Fallout |
| 59 | Contaminated Ground | Christine Choi | Black | C | Gatecrash |
| 102 | Contaminated Ground | Rob Alexander | Black | C | Rise of the Eldrazi |
| 218 | Contaminated Landscape | Donato Giancola | | C | Modern Horizons 3 |
| 123 | Contamination | Stephen Daniele | Black | R | Urza's Saga |
| Contemplation | Brom | White | U | Stronghold |
| Contempt | Val Mayerik | Blue | C | Stronghold |
| 46 | Contentious Plan | Eric Deschamps | Blue | C | War of the Spark |
| 12 | Contest of Claws | Cristi Balanescu | Green | R | The Lost Caverns of Ixalan Commander |
| 24 | Contest of Claws | Cristi Balanescu | Green | R | The Lost Caverns of Ixalan Commander |
| 282 | Contested Cliffs | Anthony S. Waters | | R | Commander 2013 Edition |
| 314 | Contested Cliffs | Anthony S. Waters | | R | Onslaught |
| 251 | Contested Game Ball | Camille Alquier | | U | The Lost Caverns of Ixalan |
| 144 | Contested War Zone | Scott Chou | | R | Mirrodin Besieged |
| 52 | Contingency Plan | Ryan Yee | Blue | C | Eldritch Moon |
| 15 | Contortionist Otter Storm | Larissa Hasenheit, Mina Jeon, Daria Sergeyeva, Sam Burley | | C | Unfinity |
| 178 | Contortionist Troupe | Jesper Ejsing | Green | U | Innistrad: Midnight Hunt |
| 177 | Contraband Kingpin | Anna Steinbauer | Blue/Black | U | Kaladesh |
| 190 | Contraband Kingpin | Anna Steinbauer | Blue/Black | U | Kaladesh Remastered |
| 12 | Contraband Livestock | Mark Behm | White | U | Commander Legends: Battle for Baldur's Gate |
| Contract from Below | Douglas Shuler | Black | R | Revised Edition |
| Contract from Below | Douglas Schuler | Black | R | Unlimited Edition |
| Contract from Below | Douglas Schuler | Black | R | Limited Edition Beta |
| Contract from Below | Douglas Schuler | Black | R | Limited Edition Alpha |
| 95 | Contract Killing | Winona Nelson | Black | C | Ixalan |
| 14 | Contractual Safeguard | Gaboleps | White | R | Streets of New Capenna Commander |
| 115 | Contractual Safeguard | Gaboleps | White | R | Streets of New Capenna Commander |
| 49 | Contradict | Steve Prescott | Blue | C | Dragons of Tarkir |
| 144 | Contraption Cannon | Mike Burns | | U | Unstable |
| Control Magic | Dameon Willich | Blue | U | Battle Royale Box Set |
| Control Magic | Dameon Willich | Blue | U | Fourth Edition |
| Control Magic | Dameon Willich | Blue | U | Revised Edition |
| Control Magic | Dameon Willich | Blue | U | Unlimited Edition |
| Control Magic | Dameon Willich | Blue | U | Limited Edition Beta |
| Control Magic | Dameon Willich | Blue | U | Limited Edition Alpha |
| 30 | Control Magic | Clint Cearley | Blue | U | Duel Decks: Jace vs. Vraska |
| 34 | Control Magic | Clint Cearley | Blue | U | Commander Anthology |
| 35 | Control Magic | Clint Cearley | Blue | U | Commander 2013 Edition |
| 42 | Control Magic | Terese Nielsen | Blue | R | Eternal Masters |
| 43 | Control Magic | Dameon Willich | Blue | R | Masters Edition IV |
| 63 | Control Magic | Clint Cearley | Blue | R | Vintage Masters |
| 105 | Control of the Court | Li Yousong | Red | U | Portal Three Kingdoms |
| 19 | Control Win Condition (playtest) | Sean Mayovsky | Blue | C | Mystery Booster |
| 23 | Controlled Instincts | Ralph Horsley | Blue | U | Conflux |
| 30 | Controvert | Joel Thomas | Blue | U | Coldsnap |
| 42 | Conundrum Sphinx | Michael Komarck | Blue | R | Magic: The Gathering-Commander |
| 51 | Conundrum Sphinx | Michael Komarck | Blue | R | Magic 2011 |
| 84 | Conundrum Sphinx | Michael Komarck | Blue | R | Commander 2018 |
| 5 | Convalescence | D. Alexander Gregory | White | R | Exodus |
| 14 | Convalescent Care | Greg & Tim Hildebrandt | White | R | Onslaught |
| 119 | Convenient Target | Gaboleps | Red | U | Murders at Karlov Manor |
| 305 | Convenient Target | Sergio Cosmai | Red | U | Murders at Karlov Manor |
| 154 | Convergence of Dominion | David Alvarez | | R | Warhammer 40,000 Commander |
| Conversion | Jesper Myrfors | White | U | Fourth Edition |
| Conversion | Jesper Myrfors | White | U | Revised Edition |
| Conversion | Jesper Myrfors | White | U | Unlimited Edition |
| Conversion | Jesper Myrfors | White | U | Limited Edition Beta |
| Conversion | Jesper Myrfors | White | U | Limited Edition Alpha |
| 9 | Conversion | Jesper Myrfors | White | R | Masters Edition IV |
| 76 | Conversion Apparatus | Alayna Danner | | R | Modern Horizons 3 Commander |
| 128 | Conversion Apparatus | Alayna Danner | | R | Modern Horizons 3 Commander |
| 133 | Conversion Chamber | Anthony Francisco | | U | New Phyrexia |
| 180 | Converter Beast | Uriah Voth | Green | C | March of the Machine |
| 149 | Convicted Killer | Deruchenko Alexander | Red | C | Shadows over Innistrad |
| Conviction | Paolo Parente | White | C | Stronghold |
| 10 | Conviction | Parente | White | C | Tempest Remastered |
| 12 | Conviction | John Stanko | White | C | Ultimate Masters |
| 12 | Conviction | John Stanko | White | C | Aether Revolt |
| 13 | Conviction | John Stanko | White | C | Kaladesh Remastered |
| 46 | Convincing Mirage | Ryan Pancoast | Blue | C | Magic 2010 |
| 41 | Convolute | Dany Orizio | Blue | C | Ravnica: City of Guilds |
| 45 | Convolute | Jason Rainville | Blue | C | Ikoria: Lair of Behemoths |
| 53 | Convolute | Viktor Titov | Blue | C | Eldritch Moon |
| 55 | Convolute | Viktor Titov | Blue | C | Core Set 2020 |
| 57 | Convolute | Viktor Titov | Blue | C | Shadows Over Innistrad Remastered |
| Convulsing Licid | Scott Kirschner | Red | U | Stronghold |
| 28 | Cool Fluffy Loxodon | Larissa Hasenheit, Mina Jeon, Daria Sergeyeva, Sam Burley | | C | Unfinity |
| 8 | Cooped Up | Jodie Muir | White | C | Wilds of Eldraine |
| 156 | Cooperate | Yongjae Choi | Blue | R | Hour of Devastation |
| 199 | Cooperate | Yongjae Choi | Blue | R | Commander 2019 |
| 255 | Cooperate | Yongjae Choi | Blue | R | Amonkhet Remastered |
| Cooperation | Phil Foglio | White | C | Ice Age |
| 45 | Coordinated Assault | John Severin Brassell | Red | U | Archenemy: Nicol Bolas |
| 116 | Coordinated Assault | John Severin Brassell | Red | U | Theros |
| 121 | Coordinated Assault | John Severin Brassell | Red | U | Iconic Masters |
| 128 | Coordinated Assault | John Severin Brassell | Red | U | Ravnica Clue Edition |
| 154 | Coordinated Assault | John Severin Brassell | Red | U | Conspiracy: Take the Crown |
| 7 | Coordinated Barrage | Franz Vohwinkel | White | C | Morningtide |
| 6 | Coordinated Charge | Zoltan Boros | White | C | Ikoria: Lair of Behemoths |
| 102 | Copper Carapace | Franz Vohwinkel | | C | Mirrodin Besieged |
| 205 | Copper Carapace | Franz Vohwinkel | | C | Modern Masters 2015 Edition |
| 291 | Copper Gnomes | Jeff Laubenstein | | R | Urza's Saga |
| 181 | Copper Host Crusher | Nicholas Gregory | Green | U | March of the Machine |
| 165 | Copper Longlegs | Nicholas Gregory | Green | C | Phyrexia: All Will Be One |
| 109 | Copper Myr | Kev Walker | | C | Planechase |
| 146 | Copper Myr | Alan Pollack | | C | Scars of Mirrodin |
| 158 | Copper Myr | Kev Walker | | C | Mirrodin |
| Copper Tablet | Amy Weber | | U | Unlimited Edition |
| Copper Tablet | Amy Weber | | U | Limited Edition Beta |
| Copper Tablet | Amy Weber | | U | Limited Edition Alpha |
| 154 | Copper Tablet | Amy Weber | | U | Masters Edition |
| 1 | Coppercoat Vanguard | Bruno Biazotto | White | U | March of the Machine: The Aftermath |
| 51 | Coppercoat Vanguard | Steve Ellis | White | U | March of the Machine: The Aftermath |
| 101 | Coppercoat Vanguard | Bruno Biazotto | White | U | March of the Machine: The Aftermath |
| 186 | Coppercoat Vanguard | Steve Ellis | White | U | March of the Machine: The Aftermath |
| 116 | Copperhoof Vorrac | Matt Cavotta | Green | R | Mirrodin |
| 116 | Copperhorn Scout | Shelly Wan | Green | C | Scars of Mirrodin |
| 160 | Copperhorn Scout | Shelly Wan | Green | C | Magic: The Gathering—Conspiracy |
| 179 | Copperhorn Scout | Shelly Wan | Green | C | Conspiracy: Take the Crown |
| 137 | Copper-Leaf Angel | Christopher Moeller | | R | Prophecy |
| 14 | Copperline Gorge | Chris Ostrowski | | M | Zendikar Rising Expeditions |
| 225 | Copperline Gorge | Zoltan Boros & Gabor Szikszai | | R | Scars of Mirrodin |
| 249 | Copperline Gorge | Yeong-Hao Han | | R | Phyrexia: All Will Be One |
| 371 | Copperline Gorge | Sergey Glushakov | | R | Phyrexia: All Will Be One |
| Copy Artifact | Amy Weber | Blue | R | Revised Edition |
| Copy Artifact | Amy Weber | Blue | R | Unlimited Edition |
| Copy Artifact | Amy Weber | Blue | R | Limited Edition Beta |
| Copy Artifact | Amy Weber | Blue | R | Limited Edition Alpha |
| 44 | Copy Artifact | Amy Weber | Blue | R | Masters Edition IV |
| 20 | Copy Catchers | Edgar Sánchez Hidalgo | Blue | R | Murders at Karlov Manor Commander |
| 330 | Copy Catchers | Edgar Sánchez Hidalgo | Blue | R | Murders at Karlov Manor Commander |
| 16 | Copy Enchantment | Abigail Larson | Blue | R | Wilds of Eldraine Enchanting Tales |
| 39 | Copy Enchantment | Joel Thomas | Blue | R | Ravnica Remastered |
| 42 | Copy Enchantment | Joel Thomas | Blue | R | Ravnica: City of Guilds |
| 312 | Copy Enchantment | Joel Thomas | Blue | R | Ravnica Remastered |
| 47 | Copy Land | Hristo D. Chukov | Blue | R | Modern Horizons 3 Commander |
| 99 | Copy Land | Hristo D. Chukov | Blue | R | Modern Horizons 3 Commander |
| 55 | Copycrook | Peter Polach | Blue | U | Modern Horizons 3 |
| Coral Atoll | John Avon | | U | Visions |
| 287 | Coral Atoll | John Avon | | U | Commander 2014 |
| 480 | Coral Atoll | John Avon | | U | Commander Legends |
| 49 | Coral Barrier | Florian de Gesincourt | Blue | C | Magic 2015 Core Set |
| 45 | Coral Colony | Campbell White | Blue | U | Dominaria United |
| 36 | Coral Commando | Alex Konstad | Blue | C | Ravnica Allegiance |
| Coral Eel | Una Fricker | Blue | C | Portal |
| 3 | Coral Eel | Una Fricker | Blue | C | Ninth Edition |
| 33 | Coral Eel | Una Fricker | Blue | C | Starter 1999 |
| 70 | Coral Eel | Una Fricker | Blue | C | Eighth Edition |
| Coral Fighters | Steve Luke | Blue | U | Mirage |
| 4 | Coral Fighters | Steve Luke | Blue | U | Duel Decks: Venser vs. Koth |
| Coral Helm | Steve Luke | | R | Fifth Edition |
| Coral Helm | Amy Weber | | R | Fourth Edition |
| Coral Helm | Amy Weber | | R | Antiquities |
| 194 | Coral Helm | Amy Weber | | U | Masters Edition IV |
| 8 | Coral Merfolk | rk post | Blue | C | Welcome Deck 2017 |
| 26 | Coral Merfolk | Lie Setiawan | Blue | C | Arena Base Set |
| 47 | Coral Merfolk | rk post | Blue | C | Magic 2010 |
| 49 | Coral Merfolk | rk post | Blue | C | Magic 2014 Core Set |
| 49 | Coral Merfolk | rk post | Blue | C | Magic 2012 |
| 66 | Coral Merfolk | Rebecca Guay | Blue | C | Seventh Edition |
| 67 | Coral Merfolk | rk post | Blue | C | Urza's Saga |
| 315 | Coral Merfolk | Lie Setiawan | Blue | C | Core Set 2020 |
| 35 | Coral Net | Roger Raupp | Blue | C | Torment |
| Coral Reef | Amy Weber | Blue | C | Homelands |
| 44 | Coral Trickster | D. Alexander Gregory | Blue | C | Duel Decks: Speed vs. Cunning |
| 54 | Coral Trickster | D. Alexander Gregory | Blue | C | Time Spiral |
| 58 | Coral Trickster | D. Alexander Gregory | Blue | C | Time Spiral Remastered |
| 54 | Coralhelm Chronicler | Lie Setiawan | Blue | R | Zendikar Rising |
| 327 | Coralhelm Chronicler | Lie Setiawan | Blue | R | Zendikar Rising |
| 57 | Coralhelm Commander | Jaime Jones | Blue | R | Rise of the Eldrazi |
| 148 | Coralhelm Commander | Jaime Jones | Blue | R | The Lost Caverns of Ixalan Commander |
| 49 | Coralhelm Guide | Viktor Titov | Blue | C | Masters 25 |
| 74 | Coralhelm Guide | Viktor Titov | Blue | C | Battle for Zendikar |
| 82 | Coralhelm Guide | Viktor Titov | Blue | C | Jumpstart: Historic Horizons |
| 116 | Coralhelm Guide | Viktor Titov | Blue | C | Battlebond |
| 7 | Coram, the Undertaker | Kai Carpenter | Black/Red/Green | M | Modern Horizons 3 Commander |
| 11 | Coram, the Undertaker | Zara H | Black/Red/Green | M | Modern Horizons 3 Commander |
| 19 | Coram, the Undertaker | Kai Carpenter | Black/Red/Green | M | Modern Horizons 3 Commander |
| 27 | Coram, the Undertaker | Kai Carpenter | Black/Red/Green | M | Modern Horizons 3 Commander |
| 83 | Cordial Vampire | Winona Nelson | Black | R | Modern Horizons |
| 125 | Cordial Vampire | Winona Nelson | Black | R | Innistrad: Crimson Vow Commander |
| 189 | Cordial Vampire | Winona Nelson | Black | R | The Lost Caverns of Ixalan Commander |
| 103 | Core Prowler | Dave Allsop | | U | Mirrodin Besieged |
| 107 | Coretapper | Dany Orizio | | U | Darksteel |
| 244 | Coretapper | Dany Orizio | | U | Double Masters |
| 177 | Cormela, Glamour Thief | Bram Sels | Blue/Black/Red | U | Streets of New Capenna |
| 301 | Cormela, Glamour Thief | Samy Halim | Blue/Black/Red | U | Streets of New Capenna |
| 366 | Cormela, Glamour Thief | Samy Halim | Blue/Black/Red | U | Streets of New Capenna |
| 120 | Cornered Crook | Gabor Szikszai | Red | U | Murders at Karlov Manor |
| 14 | Cornered Market | Edward P. Beard, Jr. | White | R | Mercadian Masques |
| 168 | Coronation of Chaos | Artur Nakhodkin | Red | C | Commander Legends: Battle for Baldur's Gate |
| 28 | Corporeal Projection | Anna Pavleeva | Blue/Red | R | Ravnica Clue Edition |
| 178 | Corpse Appraiser | Josh Hass | Blue/Black/Red | U | Streets of New Capenna |
| 302 | Corpse Appraiser | Justin & Alexis Hernandez | Blue/Black/Red | U | Streets of New Capenna |
| 367 | Corpse Appraiser | Justin & Alexis Hernandez | Blue/Black/Red | U | Streets of New Capenna |
| 17 | Corpse Augur | Scott M. Fischer | Black | U | Commander 2015 |
| 52 | Corpse Augur | Scott M. Fischer | Black | U | Commander Anthology |
| 106 | Corpse Augur | Scott M. Fischer | Black | U | Commander 2017 |
| 109 | Corpse Augur | Scott M. Fischer | Black | U | Innistrad: Midnight Hunt Commander |
| 145 | Corpse Augur | Scott M. Fischer | Black | U | Commander Masters |
| 744 | Corpse Augur | Scott M. Fischer | Black | U | Commander Legends: Battle for Baldur's Gate |
| 60 | Corpse Blockade | Lucas Graciano | Black | C | Gatecrash |
| 81 | Corpse Churn | Lars Grant-West | Black | C | Ikoria: Lair of Behemoths |
| 83 | Corpse Churn | Magali Villeneuve | Black | C | Oath of the Gatewatch |
| 107 | Corpse Churn | Lars Grant-West | Black | C | Ravnica Clue Edition |
| 113 | Corpse Churn | Magali Villeneuve | Black | C | Commander Legends |
| 389 | Corpse Churn | Magali Villeneuve | Black | C | Jumpstart 2022 |
| 214 | Corpse Cobble | Jenn Ravenna Tran | Blue/Black | U | Innistrad: Midnight Hunt |
| 13 | Corpse Connoisseur | Mark Hyzer | Black | U | Archenemy |
| 54 | Corpse Connoisseur | Mark Hyzer | Black | U | Duel Decks: Sorin vs. Tibalt |
| 61 | Corpse Connoisseur | Mark Hyzer | Black | U | Modern Masters 2017 Edition |
| 68 | Corpse Connoisseur | Mark Hyzer | Black | U | Shards of Alara |
| 147 | Corpse Cur | Pete Venters | | C | Scars of Mirrodin |
| Corpse Dance | Brian Snoddy | Black | R | Tempest |
| 89 | Corpse Dance | Brian Snoddy | Black | R | Tempest Remastered |
| 179 | Corpse Explosion | Greg Staples | Black/Red | R | Streets of New Capenna |
| 435 | Corpse Explosion | Greg Staples | Black/Red | R | Streets of New Capenna |
| 22 | Corpse Harvester | Mark Tedin | Black | U | Planechase |
| 62 | Corpse Harvester | Mark Tedin | Black | U | Legions |
| 90 | Corpse Hauler | Jesper Ejsing | Black | C | Magic 2014 Core Set |
| 219 | Corpse Hauler | Jesper Ejsing | Black | C | Jumpstart |