M:tG card similarity search
· Legendary Enchantment
Whenever an opponent casts their first spell each turn, counter that spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Nightfall Predator | Creature — Werewolf | {R}, {T}: Nightfall Predator fights target creature. (Each deals damage equal to its power to the other.) At the beginning of each upkeep, if a player cast two or more spells last turn, transform Nightfall Predator. 4/4 | |
| Showdown of the Skalds | 2RW | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top four cards of your library. Until the end of your next turn, you may play those cards. II, III — Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control. |
| Slitherwisp | UBB | Creature — Elemental Nightmare | Flash Whenever you cast another spell that has flash, you draw a card and each opponent loses 1 life. 3/2 |
| Hope of Ghirapur | 1 | Legendary Artifact Creature — Thopter | Flying Sacrifice Hope of Ghirapur: Until your next turn, target player who was dealt combat damage by Hope of Ghirapur this turn can't cast noncreature spells. 1/1 |
| Thieving Aven | 2U | Creature — Bird Rogue | Flying Whenever Thieving Aven deals combat damage to a player, heist target opponent's library. Whenever you cast a spell you don't own, put a +1/+1 counter on Thieving Aven. 1/4 |
| Molten Nursery | 2R | Enchantment | Devoid (This card has no color.) Whenever you cast a colorless spell, Molten Nursery deals 1 damage to any target. |
| Mindmoil | 4R | Enchantment | Whenever you cast a spell, put the cards in your hand on the bottom of your library in any order, then draw that many cards. |
| Mystic Genesis | 2GUU | Instant | Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value. |
| Eidolon of the Great Revel | RR | Enchantment Creature — Spirit | Whenever a player casts a spell with mana value 3 or less, Eidolon of the Great Revel deals 2 damage to that player. 2/2 |
| Eloren Wilds | Plane — Shandalar | Whenever a player taps a permanent for mana, that player adds one mana of any type that permanent produced. Whenever chaos ensues, target player can't cast spells until a player planeswalks. |