| SquallSeventh Edition · 271★ | Seventh Edition | 271★ | Common | $0.08 |
| SquallMercadian Masques · 275 | Mercadian Masques | 275 | Common | €0.06 |
| SquallStarter 1999 · 143 | Starter 1999 | 143 | Common | $0.33 |
| Squall DrifterColdsnap · 17 | Coldsnap | 17 | Common | $0.20 |
| Square UpStrixhaven: School of Mages · 238 | Strixhaven: School of Mages | 238 | Common | €0.06 |
| SquashKaldheim · 152 | Kaldheim | 152 | Common | €0.04 |
| Squeaking Pie GrubfellowsMorningtide · 78 | Morningtide | 78 | Common | €0.09 |
| Squee's EmbraceApocalypse · 122 | Apocalypse | 122 | Common | €0.19 |
| Squee's EmbraceThe List Tokens · APC-122 | The List Tokens | APC-122 | Common | $0.20 |
| Squee's ToyTempest · 309 | Tempest | 309 | Common | €0.15 |
| Squid Fire KnightUnfinity Sticker Sheets · 27 | Unfinity Sticker Sheets | 27 | Common | €0.18 |
| SquireThe Dark · 17 | The Dark | 17 | Common | $0.21 |
| Squire's DevotionRivals of Ixalan · 25 | Rivals of Ixalan | 25 | Common | €0.11 |
| Squire's LightbladeEdge of Eternities · 36 | Edge of Eternities | 36 | Common | €0.03 |
| Squirming MassUrza's Destiny · 73 | Urza's Destiny | 73 | Common | €0.10 |
| SquirrelanoidsTeenage Mutant Ninja Turtles · 81 | Teenage Mutant Ninja Turtles | 81 | Common | €0.05 |
| Squirrel DealerUnstable · 123 | Unstable | 123 | Common | €0.23 |
| Squishy Sphinx NinjaUnfinity Sticker Sheets · 37 | Unfinity Sticker Sheets | 37 | Common | €0.15 |
| StabFoundations · 71 | Foundations | 71 | Common | €0.09 |
| Stabbing PainMagic 2011 · 118 | Magic 2011 | 118 | Common | €0.07 |
| Stab WoundDuel Decks: Jace vs. Vraska · 72 | Duel Decks: Jace vs. Vraska | 72 | Common | €0.13 |
| Stab WoundReturn to Ravnica · 78 | Return to Ravnica | 78 | Common | €0.11 |
| Stadium TidalmageSecrets of Strixhaven · 232 | Secrets of Strixhaven | 232 | Common | €0.04 |
| Stadium VendorsBattlebond · 63 | Battlebond | 63 | Common | $0.12 |
| Staff of ZegonAntiquities · 65 | Antiquities | 65 | Common | €0.49 |
| Staff of ZegonMasters Edition IV · 229 | Masters Edition IV | 229 | Common | — |
| Stagecoach SecurityOutlaws of Thunder Junction · 30 | Outlaws of Thunder Junction | 30 | Common | €0.03 |
| Staggering SizeThe Lost Caverns of Ixalan · 214 | The Lost Caverns of Ixalan | 214 | Common | €0.08 |
| StaggershockRise of the Eldrazi · 166 | Rise of the Eldrazi | 166 | Common | €0.10 |
| StaggershockMagic Online Promos · 36851 | Magic Online Promos | 36851 | Common | — |
| Stairs to InfinityPlanechase Anthology Planes · 73 | Planechase Anthology Planes | 73 | Common | €0.64 |
| Stalactite DaggerLorwyn Eclipsed · 261 | Lorwyn Eclipsed | 261 | Common | €0.10 |
| Stalked ResearcherDuskmourn: House of Horror · 73 | Duskmourn: House of Horror | 73 | Common | €0.02 |
| Stalking DroneJumpstart 2022 · 733 | Jumpstart 2022 | 733 | Common | $0.12 |
| Stalking DroneOath of the Gatewatch · 124 | Oath of the Gatewatch | 124 | Common | $0.04 |
| Stalking TigerTenth Edition · 299 | Tenth Edition | 299 | Common | €0.04 |
| Stalking TigerClassic Sixth Edition · 253 | Classic Sixth Edition | 253 | Common | €0.04 |
| Stalking TigerMirage · 243 | Mirage | 243 | Common | €0.04 |
| Stalking TigerPortal · 186 | Portal | 186 | Common | €0.24 |
| Stalking TigerPortal Three Kingdoms · 149 | Portal Three Kingdoms | 149 | Common | €1.27 |
| Stalking TigerThe List Tokens · W17-28 | The List Tokens | W17-28 | Common | €0.13 |
| Stalking TigerWelcome Deck 2017 · 28 | Welcome Deck 2017 | 28 | Common | $0.09 |
| Stall for TimeDominaria United · 34 | Dominaria United | 34 | Common | €0.04 |
| Stallion of AshmouthThe List Tokens · SOI-136 | The List Tokens | SOI-136 | Common | €0.13 |
| Stallion of AshmouthShadows over Innistrad · 136 | Shadows over Innistrad | 136 | Common | €0.04 |
| Stall OutAetherdrift · 66 | Aetherdrift | 66 | Common | €0.15 |
| Stalwart AvenIconic Masters · 32 | Iconic Masters | 32 | Common | €0.03 |
| Stalwart AvenMagic Origins · 32 | Magic Origins | 32 | Common | $0.03 |
| Stalwart AvenThe List Tokens · IMA-32 | The List Tokens | IMA-32 | Common | €0.09 |
| Stalwart Shield-BearersRise of the Eldrazi · 46 | Rise of the Eldrazi | 46 | Common | $1.43 |