| Sea Kings' BlessingLegends · 75 | Legends | 75 | Uncommon | $5.68 |
| Seal AwayDominaria · 31 | Dominaria | 31 | Uncommon | €0.16 |
| Sealed FateMirage · 282 | Mirage | 282 | Uncommon | €0.14 |
| Seal from ExistenceMarch of the Machine · 35 | March of the Machine | 35 | Uncommon | €0.13 |
| Sealock MonsterDuel Decks: Elspeth vs. Kiora Tokens · 42 | Duel Decks: Elspeth vs. Kiora Tokens | 42 | Uncommon | €0.08 |
| Sealock MonsterThe List Tokens · DDO-42 | The List Tokens | DDO-42 | Uncommon | €0.18 |
| Sealock MonsterTheros · 62 | Theros | 62 | Uncommon | €0.04 |
| Seal of CleansingModern Horizons 2 · 264 | Modern Horizons 2 | 264 | Uncommon | €0.21 |
| Seal of DoomModern Masters 2017 · 83 | Modern Masters 2017 | 83 | Uncommon | €0.19 |
| Seal of RemovalModern Horizons 2 · 269 | Modern Horizons 2 | 269 | Uncommon | €0.22 |
| Seam RipEdge of Eternities · 34 | Edge of Eternities | 34 | Uncommon | $0.67 |
| SéanceShadows of the Past · 12 | Shadows of the Past | 12 | Uncommon | — |
| SearLorwyn Eclipsed · 154 | Lorwyn Eclipsed | 154 | Uncommon | $0.32 |
| SearLorwyn Eclipsed · 405 | Lorwyn Eclipsed | 405 | Uncommon | €0.19 |
| Searing BloodBorn of the Gods · 111 | Born of the Gods | 111 | Uncommon | €0.21 |
| Searing BloodPioneer Challenger Decks 2021 · 7 | Pioneer Challenger Decks 2021 | 7 | Uncommon | $0.27 |
| Searing BloodExplorer Anthology 1 · 9 | Explorer Anthology 1 | 9 | Uncommon | — |
| Searing FleshOnslaught · 225 | Onslaught | 225 | Uncommon | €0.08 |
| Searing RaysInvasion · 165 | Invasion | 165 | Uncommon | €0.18 |
| Searing TouchTempest · 201 | Tempest | 201 | Uncommon | €1.11 |
| Searing TouchTempest Remastered · 155 | Tempest Remastered | 155 | Uncommon | — |
| Seascape AerialistZendikar · 64 | Zendikar | 64 | Uncommon | €0.18 |
| Seashell CameoInvasion · 311 | Invasion | 311 | Uncommon | $0.26 |
| Seaside CitadelForgotten Realms Commander · 258 | Forgotten Realms Commander | 258 | Uncommon | €0.37 |
| Seaside CitadelShards of Alara · 229 | Shards of Alara | 229 | Uncommon | €0.40 |
| Seaside CitadelBloomburrow Commander · 329 | Bloomburrow Commander | 329 | Uncommon | €0.27 |
| Seaside CitadelCommander 2013 · 318 | Commander 2013 | 318 | Uncommon | €0.32 |
| Seaside CitadelCommander 2016 · 322 | Commander 2016 | 322 | Uncommon | €0.28 |
| Seaside CitadelCommander 2017 · 277 | Commander 2017 | 277 | Uncommon | $0.33 |
| Seaside CitadelCommander 2018 · 277 | Commander 2018 | 277 | Uncommon | €0.31 |
| Seaside CitadelCommander Anthology Volume II · 265 | Commander Anthology Volume II | 265 | Uncommon | €0.36 |
| Seaside CitadelCommander Anthology · 269 | Commander Anthology | 269 | Uncommon | €0.11 |
| Seaside CitadelCommander Masters · 1029 | Commander Masters | 1029 | Uncommon | €0.44 |
| Seaside CitadelDominaria United Commander · 231 | Dominaria United Commander | 231 | Uncommon | €0.34 |
| Seaside CitadelLorwyn Eclipsed Commander · 166 | Lorwyn Eclipsed Commander | 166 | Uncommon | €0.29 |
| Seaside CitadelFinal Fantasy Commander · 420 | Final Fantasy Commander | 420 | Uncommon | €0.22 |
| Seaside CitadelMurders at Karlov Manor Commander · 288 | Murders at Karlov Manor Commander | 288 | Uncommon | €0.21 |
| Seaside CitadelModern Masters 2017 · 245 | Modern Masters 2017 | 245 | Uncommon | €0.39 |
| Seaside CitadelNew Capenna Commander · 425 | New Capenna Commander | 425 | Uncommon | €0.35 |
| Seaside CitadelThe List Tokens · ALA-229 | The List Tokens | ALA-229 | Uncommon | $0.35 |
| Seaside CitadelThe List Tokens · MKC-288 | The List Tokens | MKC-288 | Uncommon | $0.35 |
| Seaside CitadelDoctor Who · 302 | Doctor Who | 302 | Uncommon | €0.26 |
| Seaside CitadelDoctor Who · 893 | Doctor Who | 893 | Uncommon | €5.20 |
| Seaside CitadelLegendary Cube Prize Pack · 148 | Legendary Cube Prize Pack | 148 | Uncommon | — |
| Seaside CitadelMagic Online Theme Decks · A136 | Magic Online Theme Decks | A136 | Uncommon | — |
| Seaside HavenOnslaught · 323 | Onslaught | 323 | Uncommon | €0.55 |
| SeasingerFifth Edition · 121 | Fifth Edition | 121 | Uncommon | $0.44 |
| SeasingerFallen Empires · 25 | Fallen Empires | 25 | Uncommon | $0.26 |
| SeasingerMasters Edition · 49 | Masters Edition | 49 | Uncommon | — |
| Seasoned HallowbladeCore Set 2021 · 34 | Core Set 2021 | 34 | Uncommon | €0.18 |