| 79 | Skyswimmer Koi | Donato Giancola | Blue | C | Kamigawa: Neon Dynasty |
| 28 | Skyswirl Harrier | John Severin Brassell | White | C | Kaladesh |
| 125 | Skyward Eye Prophets | Matt Stewart | White/Blue/Green | U | Conflux |
| 193 | Skyward Eye Prophets | Matt Stewart | White/Blue/Green | U | Commander Anthology |
| 214 | Skyward Eye Prophets | Matt Stewart | White/Blue/Green | U | Commander 2013 Edition |
| 78 | Skywarp Skaab | Steven Belledin | Blue | C | Innistrad: Crimson Vow |
| 88 | Skywatcher Adept | Tomasz Jedruszek | Blue | C | Rise of the Eldrazi |
| 31 | Skyway Robber | Denys Tsiperko | Blue | R | Streets of New Capenna Commander |
| 132 | Skyway Robber | Denys Tsiperko | Blue | R | Streets of New Capenna Commander |
| 206 | Skyway Sniper | Even Amundsen | Green | U | Core Set 2021 |
| 29 | Skywhaler's Shot | Chris Rallis | White | U | Kaladesh |
| 31 | Skywhaler's Shot | Chris Rallis | White | U | Kaladesh Remastered |
| 46 | Skywhaler's Shot | Chris Rallis | White | C | Commander Legends |
| 75 | Skywinder Drake | Dan Scott | Blue | C | Magic 2012 |
| 47 | Skywing Aven | Matt Cavotta | Blue | C | Torment |
| 69 | Skywing Aven | Matt Cavotta | Blue | C | Ultimate Masters |
| 94 | Skywing Aven | Matt Cavotta | Blue | C | Vintage Masters |
| 73 | Skywise Teachings | Filip Burburan | Blue | U | Iconic Masters |
| 79 | Skywise Teachings | Filip Burburan | Blue | U | Dragons of Tarkir |
| 227 | Slab Hammer | Joseph Meehan | | U | Battle for Zendikar |
| 95 | Slag Fiend | Mike Bierek | Red | R | New Phyrexia |
| 141 | Slag Strider | Yeong-Hao Han | Red | U | Modern Horizons 2 |
| 243 | Slagstone Refinery | Victor Harmatiuk | | U | The Brothers' War |
| 75 | Slagstorm | Dan Scott | Red | R | Mirrodin Besieged |
| 207 | Slagstorm | Dan Murayama Scott | Red | R | Magic: The Gathering Foundations |
| 256 | Slagwoods Bridge | Lucas Graciano | | C | Modern Horizons 2 |
| 243 | Slagwurm Armor | Justin Sweet | | C | Mirrodin |
| 38 | Slash of Talons | Magali Villeneuve | White | C | Ixalan |
| 96 | Slash Panther | Matt Stewart | Red | C | New Phyrexia |
| 47 | Slash the Ranks | Svetlin Velinov | White | R | Commander Legends |
| 625 | Slash the Ranks | Svetlin Velinov | White | R | Commander Legends |
| 133 | Slashing Tiger | Yang Jun Kwon | Green | C | Masters Edition III |
| 145 | Slashing Tiger | Yang Jun Kwon | Green | R | Portal Three Kingdoms |
| 25 | Slate of Ancestry | Corey D. Macourek | | R | Duel Decks Anthology, Elves vs. Goblins |
| 25 | Slate of Ancestry | Corey D. Macourek | | R | Duel Decks: Elves vs. Goblins |
| 308 | Slate of Ancestry | Corey D. Macourek | | R | Ninth Edition |
| 310 | Slate of Ancestry | Corey D. Macourek | | R | Onslaught |
| 53 | Slate Street Ruffian | Jim Murray | Black | C | Duel Decks: Jace vs. Vraska |
| 78 | Slate Street Ruffian | Jim Murray | Black | C | Gatecrash |
| 279 | Slate Street Ruffian | Jim Murray | Black | C | Jumpstart |
| 74 | Slaughter | Pete Venters | Black | U | Exodus |
| 149 | Slaughter Cry | Matt Cavotta | Red | C | Zendikar |
| 155 | Slaughter Cry | Matt Cavotta | Red | C | Magic 2012 |
| 79 | Slaughter Drone | Dan Scott | Black | C | Oath of the Gatewatch |
| 197 | Slaughter Games | Steve Prescott | Black/Red | R | Return to Ravnica |
| 44 | Slaughter Pact | Josh Hass | Black | S | Masterpiece Series: Amonkhet Invocations |
| 78 | Slaughter Pact | Kev Walker | Black | R | Future Sight |
| 97 | Slaughter Pact | Kev Walker | Black | R | Modern Masters |
| 138 | Slaughter Pact | Kev Walker | Black | R | Time Spiral Remastered |
| 216 | Slaughter Singer | Adam Burn | White/Green | U | Phyrexia: All Will Be One |
| 281 | Slaughter Singer | Adam Burn | White/Green | U | Phyrexia: All Will Be One |
| 122 | Slaughter Specialist | Kari Christensen | Black | R | Innistrad: Midnight Hunt |
| 349 | Slaughter Specialist | Kari Christensen | Black | R | Innistrad: Midnight Hunt |
| 22 | Slaughter the Strong | Randy Vargas | White | R | Rivals of Ixalan |
| 43 | Slaughter the Strong | Leonardo Santanna | White | U | Commander Legends: Battle for Baldur's Gate |
| 48 | Slaughter the Strong | Randy Vargas | White | U | Commander Legends |
| 134 | Slaughterhorn | Steve Prescott | Green | C | Gatecrash |
| 136 | Slaughterhorn | Steve Prescott | Green | C | Modern Masters 2017 Edition |
| 54 | Slaughterhouse Bouncer | Greg Staples | Black | C | Dissension |
| 227 | Slaughter-Priest of Mogis | Steve Prescott | Black/Red | U | Theros Beyond Death |
| 67 | Slave of Bolas | Steve Argyle | Blue/Black/Red | U | Duel Decks: Ajani vs. Nicol Bolas |
| 86 | Slave of Bolas | Steve Argyle | Blue/Black/Red | U | Archenemy: Nicol Bolas |
| 136 | Slave of Bolas | Steve Argyle | Blue/Black/Red | U | Alara Reborn |
| 198 | Slavering Branchsnapper | John Tedrick | Green | C | Duskmourn: House of Horror |
| 45 | Slavering Nulls | Dave Kendall | Red | U | Duel Decks: Ajani vs. Nicol Bolas |
| 92 | Slavering Nulls | Dave Kendall | Red | U | Worldwake |
| 25 | Slay | Ben Thompson | Black | U | Duel Decks: Phyrexia vs. the Coalition |
| 55 | Slay | Ben Thompson | Black | U | Planeshift |
| 163 | Slay | Ben Thompson | Black | U | Ninth Edition |
| 164 | Slay | Ben Thompson | Black | U | Eighth Edition |
| 18 | Slayer of the Wicked | Anthony Palumbo | White | U | Duel Decks: Blessed vs. Cursed |
| 32 | Slayer of the Wicked | Anthony Palumbo | White | U | Innistrad |
| 10 | Slayer's Bounty | Aurore Folny | White | R | Innistrad: Midnight Hunt Alchemy |
| 198 | Slayer's Cleaver | Daniel Ljunggren | | U | Eldritch Moon |
| 257 | Slayer's Plate | Ben Maier | | R | Shadows Over Innistrad Remastered |
| 264 | Slayer's Plate | Ben Maier | | R | Shadows over Innistrad |
| 165 | Slayers' Stronghold | Karl Kopinski | | R | Phyrexia: All Will Be One Commander |
| 229 | Slayers' Stronghold | Karl Kopinski | | R | Avacyn Restored |
| 295 | Slayers' Stronghold | Karl Kopinski | | R | Murders at Karlov Manor Commander |
| 318 | Slayers' Stronghold | Karl Kopinski | | R | Commander 2021 |
| 494 | Slayers' Stronghold | Karl Kopinski | | R | Commander Legends |
| 143 | Slaying Fire | Heonhwa Choe | Red | U | Throne of Eldraine |
| 69 | Slaying Mantis | Ben Wootten | Green | U | Unsanctioned |
| 122 | Slaying Mantis | Ben Wootten | Green | U | Unstable |
| 247 | Sleek Schooner | Mark Winters | | U | Ixalan |
| 33 | Sleep | Chris Rahn | Blue | U | Arena Base Set |
| 67 | Sleep | Chris Rahn | Blue | U | Magic 2013 |
| 71 | Sleep | Chris Rahn | Blue | U | Magic 2010 |
| 73 | Sleep | Chris Rahn | Blue | U | Magic 2011 |
| 74 | Sleep | Chris Rahn | Blue | U | Core Set 2019 |
| 106 | Sleep | Chris Rahn | Blue | U | Commander 2015 |
| 66 | Sleep of the Dead | Kari Christensen | Blue | C | Theros Beyond Death |
| 11 | Sleep Paralysis | Josu Hernaiz | Blue | C | Welcome Deck 2017 |
| 75 | Sleep Paralysis | Josu Hernaiz | Blue | C | Core Set 2020 |
| 87 | Sleep Paralysis | Josu Hernaiz | Blue | C | Shadows over Innistrad |
| 61 | Sleep with the Fishes | Randy Gallegos | Blue | U | Streets of New Capenna |
| 66 | Sleep-Cursed Faerie | Heonhwa | Blue | R | Wilds of Eldraine |
| 334 | Sleep-Cursed Faerie | Heonhwa | Blue | R | Wilds of Eldraine |
| 159 | Sleeper Agent | Randy Gallegos | Black | R | Urza's Saga |
| 178 | Sleeper Agent | Randy Gallegos | Black | R | Tenth Edition |
| 240 | Sleeper Dart | Sidharth Chaturvedi | | C | Ikoria: Lair of Behemoths |
| 67 | Sleeper's Guile | Daren Bader | Black | C | Urza's Legacy |
| 273 | Sleeper's Robe | Alan Pollack | Blue/Black | U | Invasion |
| 34 | Sleeping Potion | Daren Bader | Blue | C | Planeshift |
| Sleight of Hand | Phil Foglio | Blue | C | Portal Second Age |
| 51 | Sleight of Hand | Phil Foglio | Blue | C | Starter 1999 |
| 62 | Sleight of Hand | Phil Foglio | Blue | C | Masters Edition IV |
| 67 | Sleight of Hand | Scott Murphy | Blue | C | Wilds of Eldraine |
| 70 | Sleight of Hand | Jim Murray | Blue | U | Ultimate Masters |
| 98 | Sleight of Hand | Christopher Moeller | Blue | C | Seventh Edition |
| 99 | Sleight of Hand | Jim Murray | Blue | C | Ninth Edition |
| 376 | Sleight of Hand | Scott Murphy | Blue | C | Wilds of Eldraine |
| Sleight of Mind | Mark Poole | Blue | R | Fifth Edition |
| Sleight of Mind | Nicola Leonard | Blue | U | Ice Age |
| Sleight of Mind | Mark Poole | Blue | R | Fourth Edition |
| Sleight of Mind | Mark Poole | Blue | R | Revised Edition |
| Sleight of Mind | Mark Poole | Blue | R | Unlimited Edition |
| Sleight of Mind | Mark Poole | Blue | R | Limited Edition Beta |
| Sleight of Mind | Mark Poole | Blue | R | Limited Edition Alpha |
| 119 | Slice and Dice | Mark Brill | Red | U | Commander 2013 Edition |
| 138 | Slice and Dice | Jeremy Wilson | Red | U | Dominaria Remastered |
| 159 | Slice and Dice | Mark Brill | Red | U | Ikoria Commander |
| 232 | Slice and Dice | Mark Brill | Red | U | Onslaught |
| 255 | Slice and Dice | Jeremy Wilson | Red | U | Commander Masters |
| 103 | Slice from the Shadows | Lie Setiawan | Black | C | Murders at Karlov Manor |
| 301 | Slice from the Shadows | Thea Dumitriu | Black | C | Murders at Karlov Manor |
| 127 | Slice in Twain | Efrem Palacios | Green | U | Scars of Mirrodin |
| 170 | Slice in Twain | Efrem Palacios | Green | U | Commander 2013 Edition |
| 181 | Slice in Twain | Even Amundsen | Green | U | Commander 2019 |
| 190 | Slice in Twain | Even Amundsen | Green | U | Ikoria Commander |
| 207 | Slice in Twain | Even Amundsen | Green | U | Ixalan |
| 6 | Slicer, High-Speed Antagonist | Volta Creation | Red | M | The Brothers' War Transformers Cards |
| 21 | Slicer, High-Speed Antagonist | Volta Creation | Red | M | The Brothers' War Transformers Cards |
| 6 | Slicer, Hired Muscle | Volta Creation | Red | M | The Brothers' War Transformers Cards |
| 21 | Slicer, Hired Muscle | Volta Creation | Red | M | The Brothers' War Transformers Cards |
| 233 | Slick Sequence | Fajareka Setiawan | Blue/Red | U | Outlaws of Thunder Junction |
| 67 | Slickshot Lockpicker | Wei Wei | Blue | U | Outlaws of Thunder Junction |
| 146 | Slickshot Show-Off | Augusto Quirino | Red | R | Outlaws of Thunder Junction |
| 335 | Slickshot Show-Off | Augusto Quirino | Red | R | Outlaws of Thunder Junction |
| 68 | Slickshot Vault-Buster | Julia Metzger | Blue | C | Outlaws of Thunder Junction |
| 123 | Slight Malfunction | Greg Bobrowski | Red | C | Unfinity |
| 177 | Slime Against Humanity | Brent Hollowell | Green | C | Murders at Karlov Manor |
| 135 | Slime Molding | Marco Nelor | Green | U | Return to Ravnica |
| 137 | Slime Molding | Marco Nelor | Green | C | Modern Masters 2017 Edition |
| 54 | Slimebind | Mark Behm | Blue | C | Ravnica Allegiance |
| 447 | Slimefoot and Squee | Victor Adame Minguez | Black/Red/Green | M | March of the Machine Commander |
| 450 | Slimefoot and Squee | Ivan Shavrin | Black/Red/Green | M | March of the Machine Commander |
| 205 | Slimefoot, the Stowaway | Alex Konstad | Black/Green | U | Dominaria |
| 356 | Slimefoot, the Stowaway | Alex Konstad | Black/Green | U | Commander Masters |
| 386 | Slimefoot, the Stowaway | Alex Konstad | Black/Green | B | Time Spiral Remastered |
| 686 | Slimefoot, the Stowaway | Ivan Shavrin | Black/Green | U | Commander Masters |
| 178 | Slimefoot's Survey | Piotr Dura | Green | U | Dominaria United |
| 79 | Slimy Aquarium | Titus Lunter | Blue | C | Duskmourn: House of Horror |
| 9 | Slimy Burrito Illusion | Larissa Hasenheit, Mina Jeon, Daria Sergeyeva, Sam Burley | | C | Unfinity |
| 104 | Slimy Dualleech | Igor Krstic | Black | U | Murders at Karlov Manor |
| 170 | Slimy Kavu | Randy Gallegos | Red | C | Invasion |
| 111 | Slingbow Trap | Daniel Ljunggren | Green | U | Worldwake |
| 108 | Sling-Gang Lieutenant | Craig J Spearing | Black | U | Modern Horizons |
| 469 | Sling-Gang Lieutenant | Craig J Spearing | Black | U | Jumpstart 2022 |
| 72 | Slingshot Goblin | Jeff Easley | Red | C | Planeshift |
| 106 | Slinking Giant | Dave Kendall | Red | U | Shadowmoor |
| 274 | Slinking Serpent | Wayne England | Blue/Black | U | Invasion |
| 71 | Slinking Skirge | Ron Spencer | Black | C | Urza's Destiny |
| 66 | Slinn Voda, the Rising Deep | Grzegorz Rutkowski | Blue | U | Dominaria |
| 405 | Slinn Voda, the Rising Deep | Grzegorz Rutkowski | Blue | U | Commander Legends |
| 31 | Slip On the Ring | Iga "IgsonArt" Oliwiak | White | C | The Lord of the Rings: Tales of Middle Earth |
| 482 | Slip On the Ring | Iga "IgsonArt" Oliwiak | White | C | The Lord of the Rings: Tales of Middle Earth |
| 62 | Slip Out the Back | Zara Alfonso | Blue | U | Streets of New Capenna |
| 99 | Slip Out the Back | Zara Alfonso | Blue | U | Ravnica Clue Edition |
| 47 | Slip Through Space | Raymond Swanland | Blue | C | Oath of the Gatewatch |
| 66 | Slippery Bogbonder | Mila Pesic | Green | R | Ikoria Commander |
| 312 | Slippery Bogbonder | Mila Pesic | Green | R | Streets of New Capenna Commander |
| 160 | Slippery Bogle | Dave Allsop | Blue/Green | C | Eventide |
| 223 | Slippery Bogle | Jesper Ejsing | Blue/Green | U | Ultimate Masters |
| Slippery Karst | Stephen Daniele | | C | Beatdown Box Set |
| Slippery Karst | Stephen Daniele | | C | Battle Royale Box Set |
| 26 | Slippery Karst | Stephen Daniele | | C | Duel Decks Anthology, Garruk vs. Liliana |
| 26 | Slippery Karst | Stephen Daniele | | C | Duel Decks: Garruk vs. Liliana |
| 256 | Slippery Karst | Stephen Daniele | | C | Dominaria Remastered |
| 275 | Slippery Karst | Stephen Daniele | | C | Commander Anthology |
| 307 | Slippery Karst | Stephen Daniele | | C | Commander 2015 |
| 311 | Slippery Karst | Stephen Daniele | | C | Commander 2014 |
| 324 | Slippery Karst | Stephen Daniele | | C | Commander 2013 Edition |
| 327 | Slippery Karst | Stephen Daniele | | C | Urza's Saga |
| 55 | Slippery Scoundrel | Dan Scott | Blue | U | Rivals of Ixalan |
| 49 | Slipstream Eel | Mark Tedin | Blue | C | Commander Anthology 2018 |
| 62 | Slipstream Eel | Mark Tedin | Blue | C | Magic: The Gathering-Commander |
| 114 | Slipstream Eel | Mark Tedin | Blue | C | Onslaught |
| 77 | Slipstream Serpent | Darrell Riche | Blue | C | Time Spiral |
| 86 | Slipstream Serpent | Darrell Riche | Blue | C | Time Spiral Remastered |
| 43 | Sliptide Serpent | Daren Bader | Blue | R | Nemesis |
| 23 | Slith Ascendant | Justin Sweet | White | U | Mirrodin |
| 49 | Slith Ascendant | Justin Sweet | White | C | Commander Legends |
| 77 | Slith Bloodletter | Justin Sweet | Black | U | Mirrodin |
| 39 | Slith Firewalker | Justin Sweet | Red | U | Duel Decks Anthology, Jace vs. Chandra |
| 39 | Slith Firewalker | Justin Sweet | Red | U | Duel Decks: Jace vs. Chandra |
| 107 | Slith Firewalker | Justin Sweet | Red | U | Mirrodin |
| 129 | Slith Predator | Justin Sweet | Green | U | Mirrodin |