M:tG card similarity search
U · Instant
Add or subtract 1 or one from a number or number word on target spell or permanent until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Aria of Flame | 2R | Enchantment | When Aria of Flame enters the battlefield, each opponent gains 10 life. Whenever you cast an instant or sorcery spell, put a verse counter on Aria of Flame, then it deals damage equal to the number of verse counters on it to target player or planeswalker. |
| Mutavault | Land | {T}: Add {C}. {1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land. | |
| Nix | U | Instant | Counter target spell if no mana was spent to cast it. |
| Crypt of Agadeem | Land | Crypt of Agadeem enters the battlefield tapped. {T}: Add {B}. {2}, {T}: Add {B} for each black creature card in your graveyard. | |
| Marrow-Gnawer | 3BB | Legendary Creature — Rat Rogue | All Rats have fear. {T}, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control. 2/3 |
| Lavinia, Azorius Renegade | WU | Legendary Creature — Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2 |
| Slimy Kavu | 2R | Creature — Kavu | {T}: Target land becomes a Swamp until end of turn. 2/2 |
| Norn's Dominion | Plane — New Phyrexia | When you planeswalk away from Norn's Dominion, destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents. Whenever chaos ensues, you may put a fate counter on target permanent. | |
| Garenbrig Squire | 1G | Creature — Human Soldier | Whenever you cast a creature spell that has an Adventure, Garenbrig Squire gets +1/+1 until end of turn. (It doesn't need to have gone on the adventure first.) 2/2 |
| Mythos of Vadrok | 2RR | Sorcery | Mythos of Vadrok deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers. If {W}{U} was spent to cast this spell, until your next turn, those permanents can't attack or block and their activated abilities can't be activated. |