| Twins of Maurer Estate | SOI-142 |
| Twisted Abomination | SCG-76 |
| Twisted Image | SOM-50 |
| Two-Handed Axe // Sweeping Cleave | CLB-203 |
| Two-Headed Giant | DOM-147 |
| Tymaret, Chosen from Death | THB-263 |
| Typhoid Rats | M15-118 |
| Tyvar Kell | KHM-198 |
| Tyvar's Stand | ONE-190 |
| Ultimate Price | GK2-36 |
| Ulvenwald Mysteries | SOI-236 |
| Umbral Mantle | SHM-267 |
| Umezawa's Jitte | BOK-163 |
| Unbound Flourishing | MH1-189 |
| Unbounded Potential | MH2-36 |
| Unburden | AKH-114 |
| Unburial Rites | ISD-122 |
| Uncaged Fury | A25-155 |
| Unchained Berserker | M20-164 |
| Unclaimed Territory | XLN-258 |
| Uncomfortable Chill | M19-82 |
| Undead Augur | MH1-112 |
| Undead Slayer | M10-37 |
| Undead Warchief | TSB-52 |
| Undercity Informer | GTC-82 |
| Undercity's Embrace | RNA-89 |
| Underdark Rift | AFC-62 |
| Underworld Coinsmith | C15-237 |
| Underworld Hermit | MH2-105 |
| Undo | P02-59 |
| Undying Rage | EMA-152 |
| Unearth | ULG-72 |
| Unexpected Fangs | IKO-102 |
| Unexpected Results | GTC-203 |
| Unexpected Windfall | AFR-164 |
| Unflinching Courage | C18-192 |
| Unholy Grotto | ONS-327 |
| Universal Automaton | J22-803 |
| Universal Automaton | MH1-235 |
| Universal Solvent | AER-178 |
| Unlicensed Disintegration | KLD-187 |
| Unmake | EVE-96 |
| Unmask | MMQ-168 |
| Unseal the Necropolis | MOM-128 |
| Unsettled Mariner | MH1-216 |
| Unspeakable Symbol | SCG-79 |
| Unstable Frontier | CON-145 |
| Unstoppable Ash | MOR-137 |
| Unsubstantiate | EMN-79 |
| Untamed Hunger | OGW-91 |