| Spark Elemental | 237★ |
| Spawning Pool | 358★ |
| Spawning Pool (9 variants) | 358 |
| Spellbook (18 variants) | 343 |
| Spiketail Hatchling | 111★ |
| Spiketail Hatchling (9 variants) | 111 |
| Spined Wurm (18 variants) | 298 |
| Spineless Thug (18 variants) | 180 |
| Spirit Link | 45★ |
| Spirit Link (9 variants) | 45 |
| Spirit Weaver (18 variants) | 46 |
| Spitting Earth (18 variants) | 238 |
| Squee, Goblin Nabob (18 variants) | 239 |
| Stalking Tiger (18 variants) | 299 |
| Stampeding Wildebeests (9 variants) | 300 |
| Stampeding Wildebeests | 300★ |
| Starlight Invoker (18 variants) | 47 |
| Steadfast Guard (9 variants) | 48 |
| Steadfast Guard | 48★ |
| Steel Golem (18 variants) | 344 |
| Story Circle (18 variants) | 49 |
| Stronghold Discipline (18 variants) | 181 |
| Stun (18 variants) | 240 |
| Sudden Impact (18 variants) | 241 |
| Sulfurous Springs (18 variants) | 359 |
| Sunken Hope (18 variants) | 112 |
| Suntail Hawk | 50★ |
| Suntail Hawk (9 variants) | 50 |
| Swamp (18 variants) | 372 |
| Swamp (18 variants) | 373 |
| Swamp (10 variants) | 375 |
| Swamp (16 variants) | 374 |
| Sylvan Basilisk (18 variants) | 301 |
| Sylvan Scrying (18 variants) | 302 |
| Tangle Spider (9 variants) | 303 |
| Tangle Spider | 303★ |
| Telepathy (18 variants) | 113 |
| Telling Time (18 variants) | 114 |
| Tempest of Light (18 variants) | 51 |
| Terramorphic Expanse (18 variants) | 360 |
| Terror (18 variants) | 182 |
| The Hive (9 variants) | 324 |
| The Hive | 324★ |
| Thieving Magpie (9 variants) | 115 |
| Thieving Magpie | 115★ |
| Threaten | 242★ |
| Threaten (9 variants) | 242 |
| Thrull Surgeon (18 variants) | 183 |
| Thundering Giant (9 variants) | 243 |
| Thundering Giant | 243★ |