M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Accident-Prone Apprentice | 1R | Creature — Otter Wizard | Whenever you cast a noncreature spell, Accident-Prone Apprentice perpetually gets +1/+1. This ability also triggers if Accident-Prone Apprentice is in exile. 1/1 |
| Mirrorshell Crab | 5UU | Artifact Creature — Crab | Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard Mirrorshell Crab: Counter target spell or ability unless its controller pays {3}. 5/7 |
| Lava Runner | 1RR | Creature — Lizard | Haste Whenever Lava Runner becomes the target of a spell or ability, that spell or ability's controller sacrifices a land. 2/2 |
| Ertai's Meddling | XU | Instant | X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell. |
| Green Slime | 2G | Creature — Ooze | Flash When Green Slime enters the battlefield, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) 2/2 |
| Siren Stormtamer | U | Creature — Siren Pirate Wizard | Flying {U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control. 1/1 |
| Swift Silence | 2WUU | Instant | Counter all other spells. Draw a card for each spell countered this way. |
| Sinister Sabotage | 1UU | Instant | Counter target spell. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) |
| Teferi's Response | 1U | Instant | Counter target spell or ability an opponent controls that targets a land you control. If a permanent's ability is countered this way, destroy that permanent. Draw two cards. |
| Myr Welder | 3 | Artifact Creature — Myr | Imprint — {T}: Exile target artifact card from a graveyard. Myr Welder has all activated abilities of all cards exiled with it. 1/4 |