| Sisay's IngenuityPlaneshift · 33 | Planeshift | 33 | Common | €0.14 |
| Sisay's RingSeventh Edition · 315 | Seventh Edition | 315 | Uncommon | €0.26 |
| Sisay's RingSeventh Edition · 315★ | Seventh Edition | 315★ | Uncommon | $1.71 |
| Sisay's RingCommander Legends · 340 | Commander Legends | 340 | Common | €0.12 |
| Sisay's RingVisions · 154 | Visions | 154 | Common | €0.35 |
| Sisay, Weatherlight CaptainModern Horizons 1 Timeshifts · 6 | Modern Horizons 1 Timeshifts | 6 | Rare | €1.90 |
| Sisay, Weatherlight CaptainModern Horizons · 29 | Modern Horizons | 29 | Rare | €1.58 |
| Sisay, Weatherlight CaptainThe List Tokens · MH1-29 | The List Tokens | MH1-29 | Rare | €2.06 |
| Sisay, Weatherlight CaptainSecret Lair Drop Tokens · 1444 | Secret Lair Drop Tokens | 1444 | Rare | €48.52 |
| Sisay, Weatherlight CaptainSecret Lair Drop Tokens · 9999 | Secret Lair Drop Tokens | 9999 | Rare | €5.16 |
| Sisay, Weatherlight CaptainMagic Online Promos · 91211 | Magic Online Promos | 91211 | Rare | — |
| Sisay, Weatherlight CaptainSecret Lair Drop Tokens · 2778 | Secret Lair Drop Tokens | 2778 | Rare | $5.60 |
| Sisay, Weatherlight Captain // Sisay, Weatherlight CaptainModern Horizons Art Series · 16 | Modern Horizons Art Series | 16 | — | — |
| Sisterhood of KarnDoctor Who · 109 | Doctor Who | 109 | Rare | €0.24 |
| Sisterhood of KarnDoctor Who · 399 | Doctor Who | 399 | Rare | €0.34 |
| Sisterhood of KarnDoctor Who · 714 | Doctor Who | 714 | Rare | €0.35 |
| Sisterhood of KarnDoctor Who · 990 | Doctor Who | 990 | Rare | $0.66 |
| Sister HospitallerWarhammer 40,000 Commander · 141 | Warhammer 40,000 Commander | 141 | Rare | $11.23 |
| Sister HospitallerWarhammer 40,000 Commander · 141★ | Warhammer 40,000 Commander | 141★ | Rare | $23.75 |
| Sister of SilenceWarhammer 40,000 Commander · 26 | Warhammer 40,000 Commander | 26 | Rare | $0.39 |
| Sister of SilenceWarhammer 40,000 Commander · 26★ | Warhammer 40,000 Commander | 26★ | Rare | $4.81 |
| Sister RepentiaWarhammer 40,000 Commander · 142 | Warhammer 40,000 Commander | 142 | Rare | $0.34 |
| Sister RepentiaWarhammer 40,000 Commander · 142★ | Warhammer 40,000 Commander | 142★ | Rare | $1.30 |
| Sisters of Stone DeathGRN Guild Kit · 71 | GRN Guild Kit | 71 | Rare | €0.53 |
| Sisters of Stone DeathRavnica: City of Guilds · 231 | Ravnica: City of Guilds | 231 | Rare | €0.45 |
| Sisters of Stone Death AvatarMagic Online Avatars · 55 | Magic Online Avatars | 55 | Rare | — |
| Sisters of the FlameFourth Edition Foreign Black Border · 221 | Fourth Edition Foreign Black Border | 221 | Common | €0.29 |
| Sisters of the FlameFourth Edition · 221 | Fourth Edition | 221 | Common | $0.12 |
| Sisters of the FlameThe Dark · 74 | The Dark | 74 | Uncommon | €1.01 |
| Sisters of the FlameRenaissance · 94 | Renaissance | 94 | Uncommon | €0.16 |
| Sita Varma, Masked RacerAetherdrift · 223 | Aetherdrift | 223 | Rare | €0.06 |
| Sita Varma, Masked RacerAetherdrift · 368 | Aetherdrift | 368 | Rare | €0.14 |
| Sita Varma, Masked RacerAetherdrift · 493 | Aetherdrift | 493 | Rare | €0.55 |
| Sita Varma, Masked RacerAetherdrift Promos · 223p | Aetherdrift Promos | 223p | Rare | €0.16 |
| Sita Varma, Masked RacerAetherdrift Promos · 223s | Aetherdrift Promos | 223s | Rare | $0.14 |
| Sita Varma, Masked Racer // Sita Varma, Masked RacerAetherdrift Art Series · 26 | Aetherdrift Art Series | 26 | — | €0.23 |
| Sivitri, Dragon MasterDominaria United Commander · 43 | Dominaria United Commander | 43 | Mythic Rare | €4.53 |
| Sivitri, Dragon MasterDominaria United Commander · 65 | Dominaria United Commander | 65 | Mythic Rare | €2.29 |
| Sivitri ScarzamChronicles Foreign Black Border · 84 | Chronicles Foreign Black Border | 84 | Uncommon | €2.13 |
| Sivitri ScarzamChronicles · 84 | Chronicles | 84 | Uncommon | $0.18 |
| Sivitri ScarzamLegends · 258 | Legends | 258 | Uncommon | €2.54 |
| Sivitri ScarzamMasters Edition III · 175 | Masters Edition III | 175 | Common | — |
| Sivriss, Nightmare SpeakerCommander Legends: Battle for Baldur's Gate · 148 | Commander Legends: Battle for Baldur's Gate | 148 | Uncommon | $0.11 |
| Sivriss, Nightmare SpeakerCommander Legends: Battle for Baldur's Gate · 393 | Commander Legends: Battle for Baldur's Gate | 393 | Uncommon | €0.14 |
| Sivriss, Nightmare SpeakerCommander Legends: Battle for Baldur's Gate · 500 | Commander Legends: Battle for Baldur's Gate | 500 | Uncommon | €0.16 |
| Sivriss, Nightmare Speaker // Sivriss, Nightmare SpeakerBattle for Baldur's Gate Art Series · 32 | Battle for Baldur's Gate Art Series | 32 | — | — |
| Sivriss, Nightmare Speaker // Sivriss, Nightmare SpeakerBattle for Baldur's Gate Art Series · 51 | Battle for Baldur's Gate Art Series | 51 | — | — |
| Sivvi's RuseNemesis · 21 | Nemesis | 21 | Uncommon | €0.15 |
| Sivvi's ValorNemesis · 22 | Nemesis | 22 | Rare | $0.39 |
| SixModern Horizons 3 · 169 | Modern Horizons 3 | 169 | Rare | $4.62 |