| Squadron HawkFriday Night Magic 2011 · 5 | Friday Night Magic 2011 | 5 | Rare | €1.67 |
| Squall, Gunblade DuelistFinal Fantasy Commander · 453 | Final Fantasy Commander | 453 | Rare | €3.05 |
| Squall LineTime Spiral · 222 | Time Spiral | 222 | Rare | €0.87 |
| Squall, SeeD MercenaryFinal Fantasy · 243 | Final Fantasy | 243 | Rare | €0.62 |
| Squall, SeeD MercenaryFinal Fantasy · 402 | Final Fantasy | 402 | Rare | €4.13 |
| Squall, SeeD MercenaryFinal Fantasy · 509 | Final Fantasy | 509 | Rare | $2.60 |
| Squall, SeeD MercenaryFinal Fantasy · 547 | Final Fantasy | 547 | Rare | €50.66 |
| Squall, SeeD MercenaryFinal Fantasy Promos · 243s | Final Fantasy Promos | 243s | Rare | €10.19 |
| Squall, SeeD MercenaryFIN Standard Showdown · 2 | FIN Standard Showdown | 2 | Rare | €8.94 |
| Squandered ResourcesOversized League Prizes · 69 | Oversized League Prizes | 69 | Rare | €33.42 |
| Squandered ResourcesVisions · 137 | Visions | 137 | Rare | €58.78 |
| SqueeVanguard Series · 107 | Vanguard Series | 107 | Rare | €2.57 |
| Squee, Dubious MonarchDominaria United · 146 | Dominaria United | 146 | Rare | €0.60 |
| Squee, Dubious MonarchDominaria United · 291 | Dominaria United | 291 | Rare | $0.31 |
| Squee, Dubious MonarchDominaria United · 332 | Dominaria United | 332 | Rare | €0.71 |
| Squee, Dubious MonarchDominaria United Promos · 146p | Dominaria United Promos | 146p | Rare | €1.01 |
| Squee, Dubious MonarchDominaria United Promos · 146s | Dominaria United Promos | 146s | Rare | €1.38 |
| Squee, Goblin NabobTenth Edition · 239 | Tenth Edition | 239 | Rare | $1.62 |
| Squee, Goblin NabobCommander 2019 · 152 | Commander 2019 | 152 | Rare | €0.25 |
| Squee, Goblin NabobMystery Booster 2 Tokens · 247 | Mystery Booster 2 Tokens | 247 | Rare | $15.55 |
| Squee, Goblin NabobModern Masters · 130 | Modern Masters | 130 | Rare | $0.72 |
| Squee, Goblin NabobMercadian Masques · 214 | Mercadian Masques | 214 | Rare | €29.13 |
| Squee, Goblin NabobSecret Lair Countdown · 1999 | Secret Lair Countdown | 1999 | Rare | $1.53 |
| Squee, Goblin NabobUltimate Masters · 150 | Ultimate Masters | 150 | Rare | $0.50 |
| Squee, Goblin Nabob AvatarMagic Online Avatars · 71 | Magic Online Avatars | 71 | Rare | — |
| Squee, the ImmortalDominaria · 146 | Dominaria | 146 | Rare | €0.33 |
| Squee, the ImmortalMultiverse Legends · 22 | Multiverse Legends | 22 | Rare | €0.33 |
| Squee, the ImmortalMultiverse Legends · 87 | Multiverse Legends | 87 | Rare | €1.66 |
| Squee, the ImmortalMultiverse Legends · 152 | Multiverse Legends | 152 | Rare | €12.74 |
| Squee, the ImmortalMultiverse Legends · 152z | Multiverse Legends | 152z | Rare | $480.00 |
| Squee, the ImmortalNew Capenna Commander · 275 | New Capenna Commander | 275 | Rare | €0.20 |
| Squee, the ImmortalDominaria Promos · 146p | Dominaria Promos | 146p | Rare | €1.79 |
| Squee, the ImmortalDominaria Promos · 146s | Dominaria Promos | 146s | Rare | €2.05 |
| SqueezeMercadian Masques · 105 | Mercadian Masques | 105 | Rare | $0.41 |
| SquidnapperMystery Booster Playtest Cards 2019 · 29 | Mystery Booster Playtest Cards 2019 | 29 | Rare | €0.02 |
| SquidnapperMystery Booster Playtest Cards 2021 · 29 | Mystery Booster Playtest Cards 2021 | 29 | Rare | €0.23 |
| SquireSecret Lair Drop Tokens · 59 | Secret Lair Drop Tokens | 59 | Rare | — |
| Squirming EmergenceThe Lost Caverns of Ixalan · 241 | The Lost Caverns of Ixalan | 241 | Rare | $0.31 |
| Squirming EmergenceThe Lost Caverns of Ixalan · 386 | The Lost Caverns of Ixalan | 386 | Rare | $0.39 |
| Squirming EmergenceThe Lost Caverns of Ixalan Promos · 241p | The Lost Caverns of Ixalan Promos | 241p | Rare | €0.16 |
| Squirming EmergenceThe Lost Caverns of Ixalan Promos · 241s | The Lost Caverns of Ixalan Promos | 241s | Rare | $0.80 |
| Squirrel FarmOversized League Prizes · 49 | Oversized League Prizes | 49 | Rare | €14.01 |
| Squirrel FarmOversized League Prizes · 50 | Oversized League Prizes | 50 | Rare | €22.79 |
| Squirrel FarmUnglued · 66 | Unglued | 66 | Rare | €1.19 |
| Squirrel FarmUnsanctioned · 71 | Unsanctioned | 71 | Rare | €0.26 |
| Squirrel MobBloomburrow Commander · 85 | Bloomburrow Commander | 85 | Rare | €5.55 |
| Squirrel MobModern Horizons 2 · 286 | Modern Horizons 2 | 286 | Rare | €0.32 |
| Squirrel MobOdyssey · 273 | Odyssey | 273 | Rare | €1.69 |
| Squirrel MobSecret Lair Drop Tokens · 197 | Secret Lair Drop Tokens | 197 | Rare | €5.15 |
| Squirrel MobThe List Tokens · ODY-273 | The List Tokens | ODY-273 | Rare | €3.46 |