| Skewer the Critics | 2056 |
| Skirk Prospector | 2414 |
| Skithiryx, the Blight Dragon (2 variants) | 1562 |
| Skrelv, Defector Mite (2 variants) | 1926 |
| Skullclamp (2 variants) | 1663 |
| Skullclamp | 2416 |
| Skullclamp (4 variants) | 1112 |
| Skyline Despot | 1529 |
| Skyshroud Claim (2 variants) | 2279 |
| Skysovereign, Consul Flagship (2 variants) | 1029 |
| Slayers' Stronghold (2 variants) | 356 |
| Slime Against Humanity (2 variants) | 7078 |
| Slime Against Humanity (2 variants) | 7077 |
| Slime Against Humanity | 7083 |
| Slimefoot, the Stowaway (2 variants) | 1138 |
| Slip On the Ring (2 variants) | 1293 |
| Sliver Hive | 668 |
| Sliver Hivelord (2 variants) | 276 |
| Sliver Legion | 1310 |
| Sliver Legion (2 variants) | 1149 |
| Sliver Legion (2 variants) | 1150 |
| Sliver Overlord | 10 |
| Smothering Tithe | 7009 |
| Smuggler's Copter (2 variants) | 446 |
| Smuggler's Copter // Smuggler's Copter (2 variants) | 1968 |
| Snap (4 variants) | 2247 |
| Snap (2 variants) | 412 |
| Snapcaster Mage (4 variants) | 808 |
| Sneak Attack (2 variants) | 2178 |
| Snow-Covered Forest (3 variants) | 329 |
| Snow-Covered Forest | 1477★ |
| Snow-Covered Forest | 1477 |
| Snow-Covered Forest | 5 |
| Snow-Covered Island | 1474 |
| Snow-Covered Island (3 variants) | 326 |
| Snow-Covered Island | 2 |
| Snow-Covered Island | 1474★ |
| Snow-Covered Mountain | 4 |
| Snow-Covered Mountain | 1476 |
| Snow-Covered Mountain (3 variants) | 328 |
| Snow-Covered Mountain | 1476★ |
| Snow-Covered Plains | 1 |
| Snow-Covered Plains | 1473★ |
| Snow-Covered Plains (3 variants) | 325 |
| Snow-Covered Plains | 1473 |
| Snow-Covered Swamp | 1475★ |
| Snow-Covered Swamp (3 variants) | 327 |
| Snow-Covered Swamp | 3 |
| Snow-Covered Swamp | 1475 |
| Snuff Out (2 variants) | 1792 |