M:tG card similarity search
2 · Artifact
Whenever a player casts a green spell, you may pay {3}. If you do, untap target permanent.
| Name | Mana | Type | Text |
|---|---|---|---|
| Cathar's Companion | 2W | Creature — Dog | Whenever you cast a noncreature spell, Cathar's Companion gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 3/1 |
| Warmth | 1W | Enchantment | Whenever an opponent casts a red spell, you gain 2 life. |
| Malcolm, the Eyes | UR | Legendary Creature — Siren Pirate | Flying, haste Whenever you cast your second spell each turn, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 2/2 |
| Sigil of the New Dawn | 3W | Enchantment | Whenever a creature is put into your graveyard from the battlefield, you may pay {1}{W}. If you do, return that card to your hand. |
| Akoum | Plane — Zendikar | Players may cast enchantment spells as though they had flash. Whenever chaos ensues, destroy target creature that isn't enchanted. | |
| Withering Boon | 1B | Instant | As an additional cost to cast this spell, pay 3 life. Counter target creature spell. |
| Essence Leak | U | Enchantment — Aura | Enchant permanent As long as enchanted permanent is red or green, it has "At the beginning of your upkeep, sacrifice this permanent unless you pay its mana cost." |
| Knowledge Pool | 6 | Artifact | Imprint — When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library. Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost. |
| Kellan, the Kid | GWU | Legendary Creature — Human Faerie Rogue | Flying, lifelink Whenever you cast a spell from anywhere other than your hand, you may cast a permanent spell with equal or lesser mana value from your hand without paying its mana cost. If you don't, you may put a land card from your hand onto the battlefield. 3/3 |
| Punishing Fire | 1R | Instant | Punishing Fire deals 2 damage to any target. Whenever an opponent gains life, you may pay {R}. If you do, return Punishing Fire from your graveyard to your hand. |