| Squee, Goblin Nabob | 247 |
| Standstill (2 variants) | 172 |
| Starting Town NPC | 585 |
| Static Orb (2 variants) | 234 |
| Stifle (2 variants) | 173 |
| Stitcher's Supplier | 48 |
| Stone Drake | 602 |
| Stony Silence | 21 |
| Street Wraith | 49 |
| Subgoyf | 536 |
| Summoner's Pact | 74 |
| Sword of the Meek | 98 |
| Swords to Plowshares (2 variants) | 153 |
| Tarnished Citadel | 112 |
| Tax Taker | 524 |
| Teferi, Druid of Argoth | 586 |
| Teferi, Hero of Dominaria | 90 |
| Teferi, Time Raveler | 91 |
| Temporal Manipulation (2 variants) | 174 |
| Temporary Truce | 22 |
| Temur Elevator | 619 |
| Tenacious Pup | 262 |
| Tendrils of Agony | 50 |
| Terry Pin, Turboturtle | 603 |
| Thassa's Oracle (2 variants) | 175 |
| The Colossal Dreadmaw | 573 |
| The Heron Moon | 612 |
| The Many Deeds of Belzenlok | 550 |
| The Rack | 141 |
| There // They're // Their | 537 |
| Thespian's Stage | 113 |
| Thopter Foundry | 92 |
| Thornbite Staff | 99 |
| Thought Vessel | 100 |
| Throes of Chaos | 62 |
| Tinder Wall (2 variants) | 215 |
| Tinker (2 variants) | 176 |
| Titania, Protector of Argoth | 249 |
| TL;DR | 553 |
| Toddler's Rage | 568 |
| Toofer, Keeper of the Full Grip | 554 |
| Toralf's Disciple | 261 |
| Tormod's Crypt (2 variants) | 235 |
| Torpor Orb (2 variants) | 236 |
| Tower of the Magistrate (2 variants) | 242 |
| Transcendent Master | 23 |
| Treasure Cruise | 37 |
| Triumph of Ferocity | 135 |
| Tsabo's Web | 143 |
| Two by Four | 538 |