M:tG card similarity search
3UU · Instant
Counter target artifact or creature spell. Discover X, where X is that spell's mana value. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Artifact Mutation | RG | Instant | Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value. |
| Counterpoint | 3UB | Instant | Counter target spell. You may cast a creature, instant, sorcery, or planeswalker spell from your graveyard with mana value less than or equal to that spell's mana value without paying its mana cost. |
| Sunbird's Invocation | 5R | Enchantment | Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order. |
| Jamie McCrimmon | 2G | Legendary Creature — Human Warrior | Trample Whenever you cast a historic spell, Jamie McCrimmon gets +X/+X until end of turn, where X is that spell's mana value. (Artifacts, legendaries, and Sagas are historic.) Doctor's companion (You can have two commanders if the other is the Doctor.) 2/2 |
| Midnight Arsonist | 3R | Creature — Vampire | When Midnight Arsonist enters the battlefield, destroy up to X target artifacts without mana abilities, where X is the number of Vampires you control. 3/2 |
| Parallectric Feedback | 3R | Instant | Parallectric Feedback deals damage to target spell's controller equal to that spell's mana value. |
| Refuse | 3R | Instant | Refuse deals damage to target spell's controller equal to that spell's mana value. |
| Overload | R | Instant | Kicker {2} (You may pay an additional {2} as you cast this spell.) Destroy target artifact if its mana value is 2 or less. If this spell was kicked, destroy that artifact if its mana value is 5 or less instead. |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Silent Extraction | GU | Instant | Choose target spell. Counter that spell unless its controller pays {2}. Threshold — If seven or more cards are in your graveyard, seek a creature card with the same mana value as the chosen spell. |