M:tG card similarity search
4BB · Creature — Beast
When Blight-Breath Catoblepas enters the battlefield, target creature an opponent controls gets -X/-X until end of turn, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) 3/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Doomwake Giant | 4B | Enchantment Creature — Giant | Constellation — Whenever Doomwake Giant or another enchantment enters the battlefield under your control, creatures your opponents control get -1/-1 until end of turn. 4/6 |
| Feeding Frenzy | 2B | Instant | Target creature gets -X/-X until end of turn, where X is the number of Zombies on the battlefield. |
| Blue Dragon | 5UU | Creature — Dragon | Flying Lightning Breath — When Blue Dragon enters the battlefield, until your next turn, target creature an opponent controls gets -3/-0, up to one other target creature gets -2/-0, and up to one other target creature gets -1/-0. 5/5 |
| Massacre Wurm | 3BBB | Creature — Phyrexian Wurm | When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life. 6/5 |
| Deepwater Hypnotist | 1U | Creature — Merfolk Wizard | Inspired — Whenever Deepwater Hypnotist becomes untapped, target creature an opponent controls gets -3/-0 until end of turn. 2/1 |
| Ringwraiths | 4BB | Creature — Wraith Knight | When Ringwraiths enters the battlefield, target creature an opponent controls gets -3/-3 until end of turn. If that creature is legendary, its controller loses 3 life. When the Ring tempts you, return Ringwraiths from your graveyard to your hand. 5/5 |
| Loathsome Catoblepas | 5B | Creature — Beast | {2}{G}: Loathsome Catoblepas must be blocked this turn if able. When Loathsome Catoblepas dies, target creature an opponent controls gets -3/-3 until end of turn. 3/3 |
| Dream Spoilers | 3B | Creature — Faerie Warlock | Flying Whenever you cast a spell during an opponent's turn, up to one target creature an opponent controls gets -1/-1 until end of turn. 2/2 |
| Plague Mare | 1BB | Creature — Nightmare Horse | Plague Mare can't be blocked by white creatures. When Plague Mare enters the battlefield, creatures your opponents control get -1/-1 until end of turn. 2/2 |
| Harvester of Misery | 3BB | Creature — Spirit | Menace When Harvester of Misery enters the battlefield, other creatures get -2/-2 until end of turn. {1}{B}, Discard Harvester of Misery: Target creature gets -2/-2 until end of turn. 5/4 |