| Seachrome CoastPhyrexia: All Will Be One · 374 | Phyrexia: All Will Be One | 374 | Rare | $1.40 |
| Seachrome CoastPhyrexia: All Will Be One Promos · 258p | Phyrexia: All Will Be One Promos | 258p | Rare | €1.52 |
| Seachrome CoastPhyrexia: All Will Be One Promos · 258s | Phyrexia: All Will Be One Promos | 258s | Rare | $1.99 |
| Seachrome CoastScars of Mirrodin · 229 | Scars of Mirrodin | 229 | Rare | €1.36 |
| Sea-Dasher OctopusIkoria: Lair of Behemoths · 66 | Ikoria: Lair of Behemoths | 66 | Rare | $0.82 |
| Sea-Dasher OctopusIkoria: Lair of Behemoths · 286 | Ikoria: Lair of Behemoths | 286 | Rare | €1.19 |
| Sea-Dasher OctopusIkoria: Lair of Behemoths Promos · 66p | Ikoria: Lair of Behemoths Promos | 66p | Rare | $0.96 |
| Sea-Dasher OctopusIkoria: Lair of Behemoths Promos · 66s | Ikoria: Lair of Behemoths Promos | 66s | Rare | €0.81 |
| Sea-Dasher OctopusAlchemy Horizons: Baldur's Gate · 912 | Alchemy Horizons: Baldur's Gate | 912 | Rare | — |
| Sea-Dasher OctopusMagic Online Promos · 80995 | Magic Online Promos | 80995 | Rare | — |
| Sea DrakeMasters Edition II · 64 | Masters Edition II | 64 | Rare | — |
| Sea DrakeVintage Masters · 92 | Vintage Masters | 92 | Rare | — |
| Seafloor OracleJumpstart 2022 · 343 | Jumpstart 2022 | 343 | Rare | €0.26 |
| Seafloor OracleThe Lost Caverns of Ixalan Commander · 170 | The Lost Caverns of Ixalan Commander | 170 | Rare | €0.27 |
| Seafloor OracleRivals of Ixalan Promos · 51p | Rivals of Ixalan Promos | 51p | Rare | €1.03 |
| Seafloor OracleRivals of Ixalan Promos · 51s | Rivals of Ixalan Promos | 51s | Rare | €1.07 |
| Seafloor OracleRivals of Ixalan · 51 | Rivals of Ixalan | 51 | Rare | €0.31 |
| Sea Gate LoremasterZendikar · 63 | Zendikar | 63 | Rare | €2.98 |
| Sea Gate WreckageCommander Masters · 1028 | Commander Masters | 1028 | Rare | €0.35 |
| Sea Gate WreckageOath of the Gatewatch · 177 | Oath of the Gatewatch | 177 | Rare | $0.30 |
| Sea Gate WreckageOath of the Gatewatch Promos · 177s | Oath of the Gatewatch Promos | 177s | Rare | €1.06 |
| SeahunterNemesis · 41 | Nemesis | 41 | Rare | €2.96 |
| SeahunterThe List Tokens · NEM-41 | The List Tokens | NEM-41 | Rare | $5.08 |
| Seal of CleansingFriday Night Magic 2005 · 2 | Friday Night Magic 2005 | 2 | Rare | €2.42 |
| Seal of the GuildpactCommander 2015 · 54 | Commander 2015 | 54 | Rare | €0.39 |
| Seal of the GuildpactRavnica Remastered · 266 | Ravnica Remastered | 266 | Rare | €0.24 |
| Seal of the GuildpactRavnica Remastered · 394 | Ravnica Remastered | 394 | Rare | €0.16 |
| Seal of the GuildpactRavnica Remastered · 394z | Ravnica Remastered | 394z | Rare | €198.44 |
| Seal of the GuildpactLegendary Cube Prize Pack · 128 | Legendary Cube Prize Pack | 128 | Rare | — |
| SéanceDark Ascension · 20 | Dark Ascension | 20 | Rare | €0.24 |
| SéanceModern Masters 2017 · 22 | Modern Masters 2017 | 22 | Rare | €0.26 |
| Séance BoardDuskmourn: House of Horror Commander · 40 | Duskmourn: House of Horror Commander | 40 | Rare | €1.50 |
| Séance BoardDuskmourn: House of Horror Commander · 67 | Duskmourn: House of Horror Commander | 67 | Rare | €1.88 |
| Sea of CloudsBattlebond · 84 | Battlebond | 84 | Rare | €19.33 |
| Sea of CloudsCommander Legends: Battle for Baldur's Gate · 360 | Commander Legends: Battle for Baldur's Gate | 360 | Rare | $19.70 |
| Sea of CloudsCommander Legends: Battle for Baldur's Gate · 605 | Commander Legends: Battle for Baldur's Gate | 605 | Rare | $22.02 |
| Sea of CloudsBattle for Baldur's Gate Promos · 360s | Battle for Baldur's Gate Promos | 360s | Rare | €11.27 |
| Sea of CloudsThe List Tokens · BBD-84 | The List Tokens | BBD-84 | Rare | $20.79 |
| Search ElementalMystery Booster 2 Tokens · 535 | Mystery Booster 2 Tokens | 535 | Rare | $0.18 |
| Search for Azcanta // Azcanta, the Sunken RuinXLN Treasure Chest · 74 | XLN Treasure Chest | 74 | Rare | €4.61 |
| Search for Azcanta // Azcanta, the Sunken RuinIxalan Promos · 74s | Ixalan Promos | 74s | Rare | €4.43 |
| Search for Azcanta // Azcanta, the Sunken RuinThe List Tokens · XLN-74 | The List Tokens | XLN-74 | Rare | $2.14 |
| Search for Azcanta // Azcanta, the Sunken RuinSecret Lair Drop Tokens · 1502 | Secret Lair Drop Tokens | 1502 | Rare | $8.79 |
| Search for Azcanta // Azcanta, the Sunken RuinIxalan · 74 | Ixalan | 74 | Rare | €1.79 |
| Search for DaggerFinal Fantasy Commander · 459 | Final Fantasy Commander | 459 | Rare | $2.27 |
| Search for GloryKaldheim · 27 | Kaldheim | 27 | Rare | $0.71 |
| Search for GloryKaldheim · 340 | Kaldheim | 340 | Rare | $1.31 |
| Search for GloryKaldheim Promos · 27p | Kaldheim Promos | 27p | Rare | €0.99 |
| Search for GloryKaldheim Promos · 27s | Kaldheim Promos | 27s | Rare | €0.43 |
| Search for GloryThe List Tokens · KHM-27 | The List Tokens | KHM-27 | Rare | $1.01 |