| 80 | Siren's Ruse | Ben Maier | Blue | C | Ixalan |
| Sirocco | Alan Rabinowitz | Red | U | Mirage |
| 29 | Sisay, Weatherlight Captain | Anna Steinbauer | White | R | Modern Horizons |
| 33 | Sisay's Ingenuity | Paolo Parente | Blue | C | Planeshift |
| Sisay's Ring | Donato Giancola | | C | Visions |
| 315 | Sisay's Ring | David Martin | | U | Seventh Edition |
| 340 | Sisay's Ring | Donato Giancola | | C | Commander Legends |
| 141 | Sister Hospitaller | Games Workshop | White/Black | R | Warhammer 40,000 Commander |
| 26 | Sister of Silence | Games Workshop | Blue | R | Warhammer 40,000 Commander |
| 142 | Sister Repentia | Seseon Yoon | White/Black | R | Warhammer 40,000 Commander |
| 109 | Sisterhood of Karn | Yuliya Litvinova | Green | R | Doctor Who Commander |
| 399 | Sisterhood of Karn | Yuliya Litvinova | Green | R | Doctor Who Commander |
| 71 | Sisters of Stone Death | Donato Giancola | Black/Green | R | Guild Kit: Golgari |
| 231 | Sisters of Stone Death | Donato Giancola | Black/Green | R | Ravnica: City of Guilds |
| Sisters of the Flame | Jesper Myrfors | Red | C | Fourth Edition |
| Sisters of the Flame | Jesper Myrfors | Red | U | The Dark |
| Sivitri Scarzam | NéNé Thomas | Blue/Black | U | Chronicles |
| Sivitri Scarzam | NéNé Thomas | Blue/Black | U | Legends |
| 175 | Sivitri Scarzam | NéNé Thomas | Blue/Black | C | Masters Edition III |
| 43 | Sivitri, Dragon Master | Livia Prima | Blue/Black | M | Dominaria United Commander |
| 148 | Sivriss, Nightmare Speaker | Tuan Duong Chu | Black | U | Commander Legends: Battle for Baldur's Gate |
| 393 | Sivriss, Nightmare Speaker | Justine Jones | Black | U | Commander Legends: Battle for Baldur's Gate |
| 21 | Sivvi's Ruse | Kev Walker | White | U | Nemesis |
| 22 | Sivvi's Valor | Jeff Miracola | White | R | Nemesis |
| 169 | Six | Andrew Mar | Green | R | Modern Horizons 3 |
| 370 | Six | Ivan Shavrin | Green | R | Modern Horizons 3 |
| 430 | Six | Andrew Mar | Green | R | Modern Horizons 3 |
| 484 | Six | Andrew Mar | Green | R | Modern Horizons 3 |
| 92 | Six-Sided Die | Ben Wootten | Black | C | Unfinity |
| 187 | Sixth Sense | Zoltan Boros | Green | U | Amonkhet |
| 220 | Sixth Sense | Zoltan Boros | Green | U | Amonkhet Remastered |
| 56 | Six-y Beast | Anson Maddocks | Red | U | Unsanctioned |
| 89 | Six-y Beast | Anson Maddocks | Red | U | Unhinged |
| 213 | Sizzle | Brian Snoddy | Red | C | Mercadian Masques |
| 224 | Sizzle | Christopher Moeller | Red | C | Eighth Edition |
| 162 | Sizzling Barrage | Johann Bodin | Red | C | Zendikar Rising |
| 123 | Sizzling Soloist | Véronique Meignaud | Red | U | Streets of New Capenna |
| 74 | Skaab Goliath | Volkan Baga | Blue | U | Magic Origins |
| 76 | Skaab Goliath | Volkan Baga | Blue | U | Innistrad |
| 97 | Skaab Goliath | Volkan Baga | Blue | C | Commander Legends |
| 77 | Skaab Ruinator | Chris Rahn | Blue | M | Innistrad |
| 128 | Skaab Ruinator | Chris Rahn | Blue | M | Duskmourn: House of Horror Commander |
| 75 | Skaab Wrangler | Billy Christian | Blue | U | Innistrad: Midnight Hunt |
| 303 | Skalla Wolf | Lius Lasahido | Green | R | Core Set 2019 |
| 255 | Skanos Dragonheart | Daarken | Green | U | Commander Legends: Battle for Baldur's Gate |
| 410 | Skanos Dragonheart | Mark A. Nelson | Green | U | Commander Legends: Battle for Baldur's Gate |
| 133 | Skarrg Goliath | Scott Chou | Green | R | Gatecrash |
| 196 | Skarrg Guildmage | Aleksi Briclot | Red/Green | U | Gatecrash |
| 73 | Skarrg, the Rage Pits | Martina Pilcerova | | U | Duel Decks: Heroes vs. Monsters |
| 127 | Skarrg, the Rage Pits | Martina Pilcerova | | U | Planechase Anthology |
| 127 | Skarrg, the Rage Pits | Martina Pilcerova | | U | Planechase 2012 Edition |
| 163 | Skarrg, the Rage Pits | Martina Pilcerova | | U | Guildpact |
| 57 | Skarrgan Firebird | Kev Walker | Red | U | Archenemy: Nicol Bolas |
| 57 | Skarrgan Firebird | Kev Walker | Red | R | Duel Decks: Heroes vs. Monsters |
| 77 | Skarrgan Firebird | Kev Walker | Red | R | Guildpact |
| 81 | Skarrgan Firebird | Kev Walker | Red | R | Guild Kit: Gruul |
| 123 | Skarrgan Firebird | Kev Walker | Red | U | Modern Masters 2015 Edition |
| 114 | Skarrgan Hellkite | Svetlin Velinov | Red | M | Ravnica Allegiance |
| 50 | Skarrgan Pit-Skulk | Liam Sharp | Green | C | Duel Decks: Mind vs. Might |
| 84 | Skarrgan Pit-Skulk | Liam Sharp | Green | C | Guild Kit: Gruul |
| 96 | Skarrgan Pit-Skulk | Liam Sharp | Green | C | Guildpact |
| 60 | Skarrgan Skybreaker | Dan Scott | Red/Green | U | Duel Decks: Heroes vs. Monsters |
| 130 | Skarrgan Skybreaker | Dan Scott | Red/Green | U | Guildpact |
| 52 | Skatewing Spy | Grzegorz Rutkowski | Blue | U | Ravnica Allegiance |
| 140 | Skeletal Changeling | Alan Pollack | Black | C | Lorwyn |
| Skeletal Crocodile | Mike Dringenberg | Black | C | Portal |
| 116 | Skeletal Grimace | Eric Deschamps | Black | C | Innistrad |
| 88 | Skeletal Kathari | Carl Critchlow | Black | C | Shards of Alara |
| 124 | Skeletal Scrying | Bob Petillo | Black | U | Magic: The Gathering—Conspiracy |
| 125 | Skeletal Scrying | Bob Petillo | Black | U | Commander 2017 |
| 161 | Skeletal Scrying | Bob Petillo | Black | U | Odyssey |
| 162 | Skeletal Scrying | Bob Petillo | Black | U | Commander 2014 |
| Skeletal Snake | John Matson | Black | C | Portal |
| 232 | Skeletal Swarming | Svetlin Velinov | Black/Green | R | Adventures in the Forgotten Realms |
| 389 | Skeletal Swarming | Svetlin Velinov | Black/Green | R | Adventures in the Forgotten Realms |
| 34 | Skeletal Vampire | Wayne Reynolds | Black | R | Guild Kit: Orzhov |
| 46 | Skeletal Vampire | Wayne Reynolds | Black | R | Duel Decks Anthology, Garruk vs. Liliana |
| 46 | Skeletal Vampire | Wayne Reynolds | Black | R | Duel Decks: Garruk vs. Liliana |
| 62 | Skeletal Vampire | Wayne Reynolds | Black | R | Guildpact |
| 96 | Skeletal Vampire | Wayne Reynolds | Black | R | Modern Masters |
| 126 | Skeletal Vampire | Wayne Reynolds | Black | R | Commander 2017 |
| 127 | Skeletal Wurm | Zoltan Boros & Gabor Szikszai | Black | U | Rise of the Eldrazi |
| 61 | Skeleton Archer | Randy Vargas | Black | C | Arena Base Set |
| 90 | Skeleton Archer | Randy Vargas | Black | C | Double Masters 2022 |
| 118 | Skeleton Archer | Randy Vargas | Black | C | Core Set 2019 |
| 123 | Skeleton Archer | Randy Vargas | Black | C | Core Set 2021 |
| 324 | Skeleton Archer | Randy Vargas | Black | C | Core Set 2020 |
| 53 | Skeleton Crew | Camille Alquier | Black | R | The Lost Caverns of Ixalan Commander |
| 85 | Skeleton Crew | Camille Alquier | Black | R | The Lost Caverns of Ixalan Commander |
| 263 | Skeleton Key | Daniel Ljunggren | | U | Shadows over Innistrad |
| Skeleton Scavengers | Brian Snoddy | Black | R | Stronghold |
| 127 | Skeleton Shard | Doug Chaffee | | U | Planechase |
| 242 | Skeleton Shard | Doug Chaffee | | U | Mirrodin |
| Skeleton Ship | Amy Weber & Tom Wänerstrand | Blue/Black | R | Ice Age |
| 197 | Skeleton Ship | Amy Weber & Tom Wänerstrand | Blue/Black | R | Masters Edition II |
| 114 | Skeletonize | Karl Kopinski | Red | U | Shards of Alara |
| 149 | Skeletonize | Karl Kopinski | Red | C | Masters 25 |
| 109 | Skemfar Avenger | Randy Vargas | Black | R | Kaldheim |
| 355 | Skemfar Avenger | Randy Vargas | Black | R | Kaldheim |
| 268 | Skemfar Elderhall | Johannes Voss | | U | Kaldheim |
| 110 | Skemfar Shadowsage | Matt Stewart | Black | U | Kaldheim |
| 149 | Skewer Slinger | Edgar Sánchez Hidalgo | Red | C | Wilds of Eldraine |
| 26 | Skewer the Critics | Florey | Red | U | Outlaws of Thunder Junction Breaking News |
| 115 | Skewer the Critics | Heonhwa Choe | Red | C | Ravnica Allegiance |
| 124 | Skewer the Critics | Heonhwa Choe | Red | C | Ravnica Remastered |
| 340 | Skewer the Critics | Heonhwa | Red | C | Ravnica Remastered |
| 56 | Skill Borrower | Shelly Wan | Blue | R | Shards of Alara |
| 73 | Skilled Animator | Jason A. Engle | Blue | U | Core Set 2019 |
| 98 | Skilled Animator | Jason A. Engle | Blue | U | Commander Legends |
| 348 | Skilled Animator | Jason A. Engle | Blue | U | Jumpstart 2022 |
| 22 | Skillful Lunge | Jason Felix | White | C | Dark Ascension |
| 182 | Skin Invasion | Nils Hamm | Red | U | Shadows over Innistrad |
| 182 | Skin Shedder | Nils Hamm | Red | U | Shadows over Innistrad |
| 105 | Skinbrand Goblin | Marco Nelor | Red | C | Gatecrash |
| 144 | Skinbrand Goblin | Marco Nelor | Red | C | Double Masters |
| 78 | Skinrender | David Rapoza | Black | U | Scars of Mirrodin |
| 91 | Skinrender | David Rapoza | Black | U | Double Masters 2022 |
| 195 | Skinshifter | Matt Stewart | Green | R | Magic 2012 |
| 80 | Skinthinner | Dany Orizio | Black | C | Legions |
| 129 | Skinthinner | Kev Walker | Black | C | Commander 2019 |
| 133 | Skinwing | Igor Kieryluk | | U | Mirrodin Besieged |
| 288 | Skinwing | Igor Kieryluk | | C | Double Masters |
| 140 | Skirge Familiar | Ron Spencer | Black | C | Vintage Masters |
| 157 | Skirge Familiar | Ron Spencer | Black | U | Urza's Saga |
| 276 | Skirge Familiar | Uriah Voth | Black | U | Modern Horizons 2 |
| 111 | Skirk Alarmist | Justin Sweet | Red | R | Legions |
| 47 | Skirk Commando | Dave Dorman | Red | C | Archenemy |
| 150 | Skirk Commando | Slawomir Maniak | Red | C | Masters 25 |
| 228 | Skirk Commando | Dave Dorman | Red | C | Onslaught |
| 49 | Skirk Drill Sergeant | Alex Horley-Orlandelli | Red | U | Duel Decks Anthology, Elves vs. Goblins |
| 49 | Skirk Drill Sergeant | Alex Horley-Orlandelli | Red | U | Duel Decks: Elves vs. Goblins |
| 112 | Skirk Drill Sergeant | Alex Horley-Orlandelli | Red | U | Legions |
| 185 | Skirk Drill Sergeant | Alex Horley-Orlandelli | Red | C | Vintage Masters |
| 50 | Skirk Fire Marshal | Greg & Tim Hildebrandt | Red | R | Duel Decks Anthology, Elves vs. Goblins |
| 50 | Skirk Fire Marshal | Greg & Tim Hildebrandt | Red | R | Duel Decks: Elves vs. Goblins |
| 229 | Skirk Fire Marshal | Greg & Tim Hildebrandt | Red | R | Onslaught |
| 48 | Skirk Marauder | Pete Venters | Red | C | Archenemy |
| 113 | Skirk Marauder | Pete Venters | Red | C | Legions |
| 114 | Skirk Outrider | Greg Staples | Red | C | Legions |
| 49 | Skirk Prospector | Doug Chaffee | Red | C | Duel Decks: Knights vs. Dragons |
| 51 | Skirk Prospector | Doug Chaffee | Red | C | Duel Decks Anthology, Elves vs. Goblins |
| 51 | Skirk Prospector | Doug Chaffee | Red | C | Duel Decks: Elves vs. Goblins |
| 137 | Skirk Prospector | Slawomir Maniak | Red | C | Dominaria Remastered |
| 144 | Skirk Prospector | Slawomir Maniak | Red | C | Dominaria |
| 186 | Skirk Prospector | Doug Chaffee | Red | C | Vintage Masters |
| 230 | Skirk Prospector | Doug Chaffee | Red | C | Onslaught |
| 77 | Skirk Ridge Exhumer | Michael Phillippi | Black | U | Future Sight |
| 52 | Skirk Shaman | Chippy | Red | C | Duel Decks Anthology, Elves vs. Goblins |
| 52 | Skirk Shaman | Chippy | Red | C | Duel Decks: Elves vs. Goblins |
| 123 | Skirk Shaman | Chippy | Red | C | Planar Chaos |
| 191 | Skirk Shaman | Chippy | Red | C | Time Spiral Remastered |
| 104 | Skirk Volcanist | Matt Cavotta | Red | U | Scourge |
| 44 | Skirsdag Cultist | Slawomir Maniak | Red | U | Shadows of the Past |
| 53 | Skirsdag Cultist | Slawomir Maniak | Red | U | Duel Decks: Sorin vs. Tibalt |
| 112 | Skirsdag Cultist | Slawomir Maniak | Red | U | Modern Masters 2017 Edition |
| 163 | Skirsdag Cultist | Slawomir Maniak | Red | U | Innistrad |
| 74 | Skirsdag Flayer | Austin Hsu | Black | U | Dark Ascension |
| 34 | Skirsdag High Priest | Jason A. Engle | Black | R | Shadows of the Past |
| 106 | Skirsdag High Priest | Jason A. Engle | Black | R | Double Masters |
| 117 | Skirsdag High Priest | Jason A. Engle | Black | R | Innistrad |
| 163 | Skirsdag High Priest | Jason A. Engle | Black | R | Commander 2014 |
| 467 | Skirsdag High Priest | Jason A. Engle | Black | R | Jumpstart 2022 |
| 104 | Skirsdag Supplicant | Anastasia Ovchinnikova | Black | C | Eldritch Moon |
| 468 | Skirsdag Supplicant | Anastasia Ovchinnikova | Black | C | Jumpstart 2022 |
| 17 | Skithiryx, the Blight Dragon | Kekai Kotaki | Black | M | March of the Machine Multiverse Legends |
| 79 | Skithiryx, the Blight Dragon | Chippy | Black | M | Scars of Mirrodin |
| 107 | Skithiryx, the Blight Dragon | Chippy | Black | M | Double Masters |
| 53 | Skitter Eel | Mathias Kollros | Blue | C | Ravnica Allegiance |
| 98 | Skitter Eel | Mathias Kollros | Blue | C | Ravnica Clue Edition |
| 91 | Skitter of Lizards | Warren Mahy | Red | C | Worldwake |
| 151 | Skitter of Lizards | Warren Mahy | Red | C | Magic: The Gathering—Conspiracy |
| 165 | Skitterbeam Battalion | Leon Tukker | | M | The Brothers' War |
| 343 | Skitterbeam Battalion | Leon Tukker | | M | The Brothers' War |
| 717 | Skittering Cicada | Denis Zhbankov | | R | Commander Masters |
| 750 | Skittering Cicada | Denis Zhbankov | | R | Commander Masters |
| 36 | Skittering Crustacean | Jason Felix | Blue | C | Conspiracy: Take the Crown |
| 122 | Skittering Heartstopper | Aaron Miller | Black | C | Ixalan |
| Skittering Horror | Mark Zug | Black | C | Beatdown Box Set |
| 70 | Skittering Horror | Mark Zug | Black | C | Urza's Destiny |
| 10 | Skittering Invasion | Eric Deschamps | | U | Rise of the Eldrazi |
| 159 | Skittering Invasion | Eric Deschamps | | U | Modern Horizons 3 Commander |
| 129 | Skittering Monstrosity | rk post | Black | U | Time Spiral |
| 137 | Skittering Monstrosity | rk post | Black | U | Time Spiral Remastered |
| 137 | Skittering Precursor | Tuan Duong Chu | Red | U | Modern Horizons 3 |
| Skittering Skirge | Ron Spencer | Black | C | Beatdown Box Set |
| 158 | Skittering Skirge | Ron Spencer | Black | C | Urza's Saga |
| 230 | Skittering Surveyor | Dan Scott | | C | Dominaria |
| 264 | Skittering Surveyor | Igor Kieryluk | | C | March of the Machine |
| 486 | Skittering Surveyor | Dan Scott | | C | Jumpstart |
| 97 | Skitterskin | Michael Komarck | Black | U | Battle for Zendikar |
| 168 | Skittish Kavu | Pete Venters | Red | U | Invasion |
| 231 | Skittish Valesk | Alan Pollack | Red | U | Onslaught |
| 145 | Skizzik | Tomasz Jedruszek | Red | U | Dominaria |
| 169 | Skizzik | Ron Spencer | Red | R | Invasion |
| 120 | Skizzik Surger | Lucio Parrillo | Red | U | Future Sight |