M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| 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. |
| Isolation Cell | 4 | Artifact | Whenever an opponent casts a creature spell, that player loses 2 life unless they pay {2}. |
| Demon's Horn | 2 | Artifact | Whenever a player casts a black spell, you may gain 1 life. |
| Havoc | 1R | Enchantment | Whenever an opponent casts a white spell, they lose 2 life. |
| Mirrored Depths | Plane — Karsus | Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost. | |
| Bartel Runeaxe | 3BRG | Legendary Creature — Giant Warrior | Vigilance Bartel Runeaxe can't be the target of Aura spells. 6/5 |
| Hurl Through Hell | 2BR | Instant | Exile target creature. Until the end of your next turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. |
| Ulvenwald Primordials | Creature — Werewolf | {G}: Regenerate Ulvenwald Primordials. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ulvenwald Primordials. 5/5 | |
| Ood Sphere | Plane — Horsehead Nebula | Song of the Ood — Noncreature spells have convoke. (A player's creatures can help cast those spells. Each creature they tap while casting a noncreature spell pays for {1} or one mana of that creature's color.) Red-Eye — Whenever chaos ensues, for each opponent, goad up to one target creature that opponent controls. Until your next turn, those creatures can't become tapped unless they're being declared as attackers. | |
| Lash of the Balrog | B | Sorcery | As an additional cost to cast this spell, sacrifice a creature or pay {4}. Destroy target creature. |