| Urza, Lord High Artificer (16 variants) | 71 |
| Urborg Uprising (16 variants) | 107 |
| Urborg Syphon-Mage (16 variants) | 106 |
| Undying Rage (16 variants) | 146 |
| Undead Gladiator (16 variants) | 105 |
| Undead Gladiator (16 variants) | 313 |
| Umbilicus (16 variants) | 237 |
| Umbilicus (16 variants) | 390 |
| Twisted Experiment (16 variants) | 104 |
| Turnabout (16 variants) | 70 |
| Turnabout (16 variants) | 295 |
| Triskelion (16 variants) | 236 |
| Triskelion (16 variants) | 452 |
| Triskelion (16 variants) | 389 |
| Treva's Ruins (16 variants) | 260 |
| Tormod's Crypt (16 variants) | 235 |
| Tormod's Crypt (16 variants) | 388 |
| Time Stretch (16 variants) | 294 |
| Time Stretch (16 variants) | 69 |
| Time Stretch (16 variants) | 422 |
| Tiana, Ship's Caretaker (16 variants) | 204 |
| Tiana, Ship's Caretaker (16 variants) | 372 |
| Thran Golem (16 variants) | 387 |
| Thran Golem (16 variants) | 234 |
| Thieving Magpie (16 variants) | 68 |
| Test of Endurance (16 variants) | 32 |
| Test of Endurance (16 variants) | 276 |
| Test of Endurance (16 variants) | 414 |
| Terror (16 variants) | 312 |
| Terror (16 variants) | 103 |
| Terravore (16 variants) | 181 |
| Terminal Moraine (16 variants) | 259 |
| Tatyova, Benthic Druid (16 variants) | 203 |
| Tatyova, Benthic Druid (16 variants) | 371 |
| Symbiotic Beast (16 variants) | 180 |
| Sylvan Library (16 variants) | 441 |
| Sylvan Library (16 variants) | 350 |
| Sylvan Library (16 variants) | 179 |
| Swords to Plowshares (16 variants) | 31 |
| Swords to Plowshares (16 variants) | 275 |
| Swamp (16 variants) | 406 |
| Swamp (16 variants) | 407 |
| Suq'Ata Lancer (16 variants) | 145 |
| Sun Clasp (16 variants) | 30 |
| Sulfuric Vortex (16 variants) | 332 |
| Sulfuric Vortex (16 variants) | 144 |
| Sulfur Falls (16 variants) | 400 |
| Sulfur Falls (16 variants) | 258 |
| Subterranean Scout (16 variants) | 143 |
| Stroke of Genius (16 variants) | 293 |