M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Ambiguity | 2UU | Enchantment | Whenever a player plays a spell that counters a spell that has been played or a player plays a spell that comes into play with counters, that player may counter the next spell played or put an additional counter on a permanent that has already been played, but not countered. |
| Martyr of Frost | U | Creature — Human Wizard | {2}, Reveal X blue cards from your hand, Sacrifice Martyr of Frost: Counter target spell unless its controller pays {X}. 1/1 |
| Raven's Run | Plane — Shadowmoor | All creatures have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever chaos ensues, put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature. | |
| Voracious Greatshark | 3UU | Creature — Shark | Flash When Voracious Greatshark enters the battlefield, counter target artifact or creature spell. 5/4 |
| Busted! | 1U | Instant | Counter target spell unless its controller pays {X}, where X is the number of words in the name with the most words among permanents you control. |
| Contagion Clasp | 2 | Artifact | When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) |
| Ice Out | 1UU | Instant | Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) This spell costs {1} less to cast if it's bargained. Counter target spell. |
| Force of Negation | 1UU | Instant | If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Countersquall | UB | Instant | Counter target noncreature spell. Its controller loses 2 life. |
| Cultbrand Cinder | 4B/R | Creature — Elemental Shaman | When Cultbrand Cinder enters the battlefield, put a -1/-1 counter on target creature. 3/3 |