M:tG card similarity search
UUUU · Enchantment
Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Aether Barrier | 2U | Enchantment | Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}. |
| Disrupting Shoal | XUU | Instant — Arcane | You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost. Counter target spell if its mana value is X. |
| Mystic Genesis | 2GUU | Instant | Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value. |
| Kindred Denial | 2UU | Instant | Counter target spell. Seek a card with the same mana value as that spell. |
| Plasm Capture | GGUU | Instant | Counter target spell. At the beginning of your next precombat main phase, add X mana in any combination of colors, where X is that spell's mana value. |
| Erayo's Essence | Legendary Enchantment | Whenever an opponent casts their first spell each turn, counter that spell. | |
| Living Breakthrough | Enchantment Creature — Moonfolk | Flying Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn. 3/3 | |
| Thassa's Rebuff | 1U | Instant | Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) |
| Dash Hopes | BB | Instant | When you cast this spell, any player may pay 5 life. If a player does, counter Dash Hopes. Counter target spell. |
| Kentaro, the Smiling Cat | 1W | Legendary Creature — Human Samurai | Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) You may pay {X} rather than pay the mana cost for Samurai spells you cast, where X is that spell's mana value. 2/1 |