| Secure the SceneCore Set 2021 · 35 | Core Set 2021 | 35 | Common | $0.14 |
| Security BypassStreets of New Capenna · 59 | Streets of New Capenna | 59 | Common | €0.14 |
| Sedge ScorpionCore Set 2020 · 192 | Core Set 2020 | 192 | Common | €0.11 |
| Sedge ScorpionTheros · 177 | Theros | 177 | Common | $0.11 |
| Sedraxis AlchemistConflux · 54 | Conflux | 54 | Common | €0.18 |
| See BeyondPlanechase Anthology · 25 | Planechase Anthology | 25 | Common | €0.13 |
| See BeyondPlanechase 2012 · 25 | Planechase 2012 | 25 | Common | €0.19 |
| See BeyondRise of the Eldrazi · 86 | Rise of the Eldrazi | 86 | Common | €0.13 |
| Seedling CharmMirage · 240 | Mirage | 240 | Common | €0.12 |
| Seed of HopeMarch of the Machine · 204 | March of the Machine | 204 | Common | €0.14 |
| Seedpod SquireBloomburrow · 232 | Bloomburrow | 232 | Common | €0.02 |
| Seeds of StrengthRavnica: City of Guilds · 227 | Ravnica: City of Guilds | 227 | Common | €0.05 |
| SeekerFourth Edition Foreign Black Border · 49 | Fourth Edition Foreign Black Border | 49 | Common | €0.19 |
| SeekerFourth Edition · 49 | Fourth Edition | 49 | Common | €0.04 |
| Seeker of InsightAmonkhet · 69 | Amonkhet | 69 | Common | €0.04 |
| Seeker of InsightAmonkhet Remastered · 76 | Amonkhet Remastered | 76 | Common | — |
| Seeker of SkybreakSeventh Edition · 268 | Seventh Edition | 268 | Common | €3.24 |
| Seeker of SkybreakSeventh Edition · 268★ | Seventh Edition | 268★ | Common | $6.13 |
| Seeker of SkybreakBattle Royale Box Set · 68 | Battle Royale Box Set | 68 | Common | $3.43 |
| Seeker of SkybreakMystery Booster 2 Tokens · 213 | Mystery Booster 2 Tokens | 213 | Common | €2.12 |
| Seeker of SkybreakSalvat 2005 · B29 | Salvat 2005 | B29 | Common | €2.10 |
| Seeker of SkybreakSalvat 2005 · B30 | Salvat 2005 | B30 | Common | €3.14 |
| Seeker of SkybreakTempest · 254 | Tempest | 254 | Common | €2.22 |
| Seeker of SunlightThe Lost Caverns of Ixalan · 210 | The Lost Caverns of Ixalan | 210 | Common | €0.03 |
| Seeker of the WayDouble Masters 2022 · 28 | Double Masters 2022 | 28 | Common | $0.09 |
| Seeker of the WayDouble Masters 2022 · 341 | Double Masters 2022 | 341 | Common | €0.11 |
| Seeker of the WayIconic Masters · 29 | Iconic Masters | 29 | Common | €0.07 |
| Seeker of the WayMagic Online Promos · 102215 | Magic Online Promos | 102215 | Common | — |
| Seekers' SquireDouble Masters 2022 · 87 | Double Masters 2022 | 87 | Common | €0.02 |
| Seek the WildsBattle for Zendikar · 189 | Battle for Zendikar | 189 | Common | €0.04 |
| Seek the WildsGame Night · 49 | Game Night | 49 | Common | €0.12 |
| Seek the WildsThe List Tokens · BFZ-189 | The List Tokens | BFZ-189 | Common | €0.10 |
| Seer of the Last TomorrowHour of Devastation · 44 | Hour of Devastation | 44 | Common | $0.03 |
| Seer of the Last TomorrowAmonkhet Remastered · 77 | Amonkhet Remastered | 77 | Common | — |
| Seer's LanternBattlebond · 245 | Battlebond | 245 | Common | €0.15 |
| Seer's LanternCommander 2018 · 220 | Commander 2018 | 220 | Common | €0.11 |
| Seer's LanternCommander Legends · 338 | Commander Legends | 338 | Common | €0.04 |
| Seer's LanternOath of the Gatewatch · 165 | Oath of the Gatewatch | 165 | Common | €0.06 |
| Seething AngerThe List Tokens · STH-96 | The List Tokens | STH-96 | Common | $0.17 |
| Seething AngerStronghold · 96 | Stronghold | 96 | Common | €0.23 |
| Seething AngerTempest Remastered · 156 | Tempest Remastered | 156 | Common | — |
| Seething LandscapeModern Horizons 3 · 225 | Modern Horizons 3 | 225 | Common | €0.20 |
| Seething PathblazerMorningtide · 101 | Morningtide | 101 | Common | €0.08 |
| Seething SongNinth Edition · 216 | Ninth Edition | 216 | Common | €3.27 |
| Seething SongNinth Edition · 216★ | Ninth Edition | 216★ | Common | $8.91 |
| Seething SongArchenemy · 46 | Archenemy | 46 | Common | €1.25 |
| Seething SongCommander 2021 · 179 | Commander 2021 | 179 | Common | €7.17 |
| Seething SongDuel Decks: Knights vs. Dragons · 70 | Duel Decks: Knights vs. Dragons | 70 | Common | €6.82 |
| Seething SongMirrodin · 104 | Mirrodin | 104 | Common | €3.77 |
| Seething SongThe List Tokens · DDG-70 | The List Tokens | DDG-70 | Common | €1.11 |