| Restore Balance (18 variants) | 38 |
| Return to Dust (18 variants) | 39 |
| Rift Bolt (18 variants) | 176 |
| Riftwing Cloudskate (18 variants) | 73 |
| Saffi Eriksdotter (18 variants) | 245 |
| Sage of Epityr (18 variants) | 74 |
| Saltcrusted Steppe (18 variants) | 277 |
| Sangrophage (18 variants) | 127 |
| Sarpadian Empires, Vol. VII (18 variants) | 263 |
| Savage Thallid (18 variants) | 213 |
| Scarwood Treefolk (18 variants) | 214 |
| Scion of the Ur-Dragon (18 variants) | 246 |
| Screeching Sliver (18 variants) | 75 |
| Scryb Ranger (18 variants) | 215 |
| Search for Tomorrow (18 variants) | 216 |
| Sedge Sliver (18 variants) | 177 |
| Sengir Nosferatu (18 variants) | 128 |
| Serra Avenger (18 variants) | 40 |
| Shadow Sliver (18 variants) | 76 |
| Sidewinder Sliver (18 variants) | 41 |
| Skittering Monstrosity (18 variants) | 129 |
| Skulking Knight (18 variants) | 130 |
| Slipstream Serpent (18 variants) | 77 |
| Smallpox (18 variants) | 131 |
| Snapback (18 variants) | 78 |
| Spectral Force (18 variants) | 217 |
| Spell Burst (18 variants) | 79 |
| Spike Tiller (18 variants) | 218 |
| Spiketail Drakeling (18 variants) | 80 |
| Spinneret Sliver (18 variants) | 219 |
| Spirit Loop (18 variants) | 42 |
| Sporesower Thallid (18 variants) | 220 |
| Sprite Noble (18 variants) | 81 |
| Sprout (18 variants) | 221 |
| Squall Line (18 variants) | 222 |
| Stonebrow, Krosan Hero (18 variants) | 247 |
| Stonewood Invocation (18 variants) | 223 |
| Stormcloud Djinn (18 variants) | 82 |
| Strangling Soot (18 variants) | 132 |
| Strength in Numbers (18 variants) | 224 |
| Stronghold Overseer (18 variants) | 133 |
| Stuffy Doll (18 variants) | 264 |
| Subterranean Shambler (18 variants) | 178 |
| Sudden Death (18 variants) | 134 |
| Sudden Shock (18 variants) | 179 |
| Sudden Spoiling (18 variants) | 135 |
| Sulfurous Blast (18 variants) | 180 |
| Swamp (18 variants) | 290 |
| Swamp (18 variants) | 291 |
| Swamp (18 variants) | 293 |