| Samite Healer (10 variants) | 58 |
| Sand Silos (10 variants) | 423 |
| Scaled Wurm (10 variants) | 322 |
| Scathe Zombies (9 variants) | 192 |
| Scavenger Folk (10 variants) | 323 |
| Scryb Sprites (9 variants) | 324 |
| Sea Serpent (10 variants) | 118 |
| Sea Spirit (10 variants) | 119 |
| Sea Sprite (9 variants) | 120 |
| Seasinger (10 variants) | 121 |
| Segovian Leviathan (10 variants) | 122 |
| Sengir Autocrat (10 variants) | 193 |
| Seraph (10 variants) | 59 |
| Serpent Generator (9 variants) | 397 |
| Serra Bestiary (10 variants) | 60 |
| Serra Paladin (10 variants) | 61 |
| Shanodin Dryads (10 variants) | 325 |
| Shapeshifter (10 variants) | 398 |
| Shatter (10 variants) | 265 |
| Shatterstorm (10 variants) | 266 |
| Shield Bearer (9 variants) | 62 |
| Shield Wall (10 variants) | 63 |
| Shivan Dragon (10 variants) | 267 |
| Shivan Dragon | 267† |
| Shrink (10 variants) | 326 |
| Sibilant Spirit (10 variants) | 123 |
| Skull Catapult (9 variants) | 399 |
| Sleight of Mind (10 variants) | 124 |
| Smoke (10 variants) | 268 |
| Sorceress Queen (10 variants) | 194 |
| Soul Barrier (9 variants) | 125 |
| Soul Net (10 variants) | 400 |
| Spell Blast (10 variants) | 126 |
| Spirit Link (10 variants) | 64 |
| Stampede (9 variants) | 327 |
| Stasis (10 variants) | 127 |
| Steal Artifact (10 variants) | 128 |
| Stone Giant (10 variants) | 269 |
| Stone Rain (10 variants) | 270 |
| Stone Spirit (10 variants) | 271 |
| Stream of Life (10 variants) | 328 |
| Stromgald Cabal (10 variants) | 195 |
| Sulfurous Springs (10 variants) | 424 |
| Svyelunite Temple (10 variants) | 425 |
| Swamp (10 variants) | 441 |
| Swamp (10 variants) | 439 |
| Swamp (10 variants) | 440 |
| Swamp (10 variants) | 438 |
| Sylvan Library (10 variants) | 329 |
| Tarpan (9 variants) | 330 |