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 |
|---|---|---|---|
| Invasion of Innistrad | 2BB | Battle — Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) Flash When Invasion of Innistrad enters the battlefield, target creature an opponent controls gets -13/-13 until end of turn. |
| Splatter Goblin | 1B | Creature — Phyrexian Goblin | When Splatter Goblin dies, target creature an opponent controls gets -1/-1 until end of turn. 2/1 |
| Briarblade Adept | 4B | Creature — Elf Assassin | Whenever Briarblade Adept attacks, target creature an opponent controls gets -1/-1 until end of turn. Encore {3}{B} ({3}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) 3/4 |
| Skulduggery | B | Instant | Until end of turn, target creature you control gets +1/+1 and target creature an opponent controls gets -1/-1. |
| Vedalken Mesmerist | 1U | Creature — Vedalken Wizard | Whenever Vedalken Mesmerist attacks, target creature an opponent controls gets -2/-0 until end of turn. 2/1 |
| Festering Newt | B | Creature — Salamander | When Festering Newt dies, target creature an opponent controls gets -1/-1 until end of turn. That creature gets -4/-4 instead if you control a creature named Bogbrew Witch. 1/1 |
| Ominous Sphinx | 3UU | Creature — Sphinx | Flying Whenever you cycle or discard a card, target creature an opponent controls gets -2/-0 until end of turn. 4/4 |
| Farbog Boneflinger | 4B | Creature — Zombie | When Farbog Boneflinger enters the battlefield, target creature gets -2/-2 until end of turn. 2/2 |
| Blister Beetle | 1B | Creature — Insect | When Blister Beetle enters the battlefield, target creature gets -1/-1 until end of turn. 1/1 |
| Zealous Persecution | WB | Instant | Until end of turn, creatures you control get +1/+1 and creatures your opponents control get -1/-1. |