M:tG card similarity search
5B · Creature — Nightmare
Mutate {4}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, each opponent sacrifices a creature. 4/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Whispering Specter | 1BB | Creature — Phyrexian Specter | Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Whispering Specter deals combat damage to a player, you may sacrifice it. If you do, that player discards a card for each poison counter they have. 1/1 |
| Enigma Eidolon | 3U | Creature — Spirit | {U}, Sacrifice Enigma Eidolon: Target player mills three cards. Whenever you cast a multicolored spell, you may return Enigma Eidolon from your graveyard to your hand. 2/2 |
| Soul Snare | W | Enchantment | {W}, Sacrifice Soul Snare: Exile target creature that's attacking you or a planeswalker you control. |
| Insolent Neonate | R | Creature — Vampire | Menace (This creature can't be blocked except by two or more creatures.) Discard a card, Sacrifice Insolent Neonate: Draw a card. 1/1 |
| Regal Leosaur | RW | Creature — Dinosaur Cat | Mutate {1}{R/W}{R/W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +2/+1 until end of turn. 2/2 |
| Armor Thrull | 2B | Creature — Thrull | {T}, Sacrifice Armor Thrull: Put a +1/+2 counter on target creature. 1/3 |
| Mercenary Knight | 2B | Creature — Human Mercenary Knight | When Mercenary Knight enters the battlefield, sacrifice it unless you discard a creature card. 4/4 |
| Penregon Besieged | 1B | Enchantment | At the beginning of your end step, choose a creature with the least toughness among creatures your opponents control. It perpetually gets -1/-1. When your opponents control no creatures, sacrifice Penregon Besieged. |
| Seal of Removal | U | Enchantment | Sacrifice Seal of Removal: Return target creature to its owner's hand. |
| Gremlin Mine | 1 | Artifact | {1}, {T}, Sacrifice Gremlin Mine: It deals 4 damage to target artifact creature. {1}, {T}, Sacrifice Gremlin Mine: Remove up to four charge counters from target noncreature artifact. |