M:tG card similarity search
2 · Artifact
Whenever a player casts a blue spell, you may pay {3}. If you do, untap target permanent.
| Name | Mana | Type | Text |
|---|---|---|---|
| Breaking Wave | 2UU | Sorcery | You may cast Breaking Wave as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) Simultaneously untap all tapped creatures and tap all untapped creatures. |
| Invoke Prejudice | 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. |
| Hero of Leina Tower | G | Creature — Human Warrior | Heroic — Whenever you cast a spell that targets Hero of Leina Tower, you may pay {X}. If you do, put X +1/+1 counters on Hero of Leina Tower. 1/1 |
| Mesmeric Orb | 2 | Artifact | Whenever a permanent becomes untapped, that permanent's controller mills a card. |
| Tangleroot | 3 | Artifact | Whenever a player casts a creature spell, that player adds {G}. |
| Kraken's Eye | 2 | Artifact | Whenever a player casts a blue spell, you may gain 1 life. |
| Horn of Plenty | 6 | Artifact | Whenever a player casts a spell, they may pay {1}. If the player does, they draw a card at the beginning of the next end step. |
| Blisterspit Gremlin | R | Creature — Gremlin | {1}, {T}: Blisterspit Gremlin deals 1 damage to each opponent. Whenever you cast a noncreature spell, untap Blisterspit Gremlin. 1/1 |
| Leyline of Lightning | 2RR | Enchantment | If Leyline of Lightning is in your opening hand, you may begin the game with it on the battlefield. Whenever you cast a spell, you may pay {1}. If you do, Leyline of Lightning deals 1 damage to target player or planeswalker. |
| Rooftop Storm | 5U | Enchantment | You may pay {0} rather than pay the mana cost for Zombie creature spells you cast. |