| Skittish Kavu (17 variants) | 168 |
| Skizzik (17 variants) | 169 |
| Sky Weaver (17 variants) | 74 |
| Sleeper's Robe (17 variants) | 273 |
| Slimy Kavu (17 variants) | 170 |
| Slinking Serpent (17 variants) | 274 |
| Smoldering Tar (17 variants) | 275 |
| Soul Burn (2 variants) | 124s |
| Soul Burn | 124★ |
| Soul Burn (16 variants) | 124 |
| Sparring Golem (17 variants) | 312 |
| Spinal Embrace (17 variants) | 276 |
| Spirit of Resistance (17 variants) | 38 |
| Spirit Weaver (17 variants) | 39 |
| Spite // Malice (13 variants) | 293 |
| Spreading Plague (17 variants) | 125 |
| Stalking Assassin (17 variants) | 277 |
| Stand // Deliver (13 variants) | 292 |
| Stand or Fall (17 variants) | 171 |
| Sterling Grove (17 variants) | 278 |
| Stormscape Apprentice (17 variants) | 75 |
| Stormscape Master (17 variants) | 76 |
| Strength of Unity (17 variants) | 40 |
| Stun (17 variants) | 172 |
| Sulam Djinn (17 variants) | 212 |
| Sulfur Vent (17 variants) | 328 |
| Sunscape Apprentice (18 variants) | 41 |
| Sunscape Master (17 variants) | 42 |
| Swamp (17 variants) | 339 |
| Swamp (17 variants) | 341 |
| Swamp (17 variants) | 340 |
| Swamp (17 variants) | 342 |
| Sway of Illusion (17 variants) | 77 |
| Tainted Well (17 variants) | 126 |
| Tangle (17 variants) | 213 |
| Tectonic Instability (17 variants) | 173 |
| Teferi's Care (17 variants) | 43 |
| Teferi's Moat (17 variants) | 279 |
| Teferi's Response (17 variants) | 78 |
| Tek (17 variants) | 313 |
| Temporal Distortion (17 variants) | 79 |
| Thicket Elemental (17 variants) | 214 |
| Thornscape Apprentice (17 variants) | 215 |
| Thornscape Master (17 variants) | 216 |
| Thunderscape Apprentice (17 variants) | 174 |
| Thunderscape Master (17 variants) | 175 |
| Tidal Visionary (17 variants) | 80 |
| Tigereye Cameo (17 variants) | 314 |
| Tinder Farm (17 variants) | 329 |
| Tolarian Emissary (17 variants) | 81 |