M:tG card similarity search
2U · World Enchantment
Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Lozhan, Dragons' Legacy | 3UR | Legendary Creature — Dragon Shaman | Flying Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander. 4/2 |
| Eyes of the Watcher | 2U | Enchantment | Whenever you cast an instant or sorcery spell, you may pay {1}. If you do, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) |
| Mindswipe | XUR | Instant | Counter target spell unless its controller pays {X}. Mindswipe deals X damage to that spell's controller. |
| Great Defender | W | Instant | Target creature gets +0/+X until end of turn, where X is its mana value. |
| Lapis Lazuli Talisman | 2 | Artifact | Whenever a player casts a blue spell, you may pay {3}. If you do, untap target permanent. |
| Cursecatcher | U | Creature — Merfolk Wizard | Sacrifice Cursecatcher: Counter target instant or sorcery spell unless its controller pays {1}. 1/1 |
| Halo Forager | 1UB | Creature — Faerie Rogue | Flying When Halo Forager enters the battlefield, you may pay {X}. When you do, you may cast target instant or sorcery card with mana value X from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. 3/1 |
| Yuan-Ti Scaleshield | 2G | Instant | Permanents you control gain hexproof and indestructible until end of turn. Seek a creature card if an opponent has cast a spell with mana value 3 or less this turn. |
| Gorilla Shaman | R | Creature — Ape Shaman | {X}{X}{1}: Destroy target noncreature artifact with mana value X. 1/1 |
| Cabaretti Revels | 1RG | Enchantment | Whenever you cast a creature spell, seek a creature card with lesser mana value, then put it onto the battlefield. |