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 |
|---|---|---|---|
| Dizzy Spell | U | Instant | Target creature gets -3/-0 until end of turn. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.) |
| Keening Banshee | 2BB | Creature — Spirit | Flying When Keening Banshee enters the battlefield, target creature gets -2/-2 until end of turn. 2/2 |
| Collective Nightmare | 2B | Instant | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Target creature gets -3/-3 until end of turn. |
| Arcane Subtraction | 1U | Instant | Target creature gets -4/-0 until end of turn. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) |
| Sudden Death | 1BB | Instant | Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Target creature gets -4/-4 until end of turn. |
| Ichor Slick | 2B | Sorcery | Target creature gets -3/-3 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) |
| Agony Warp | UB | Instant | Target creature gets -3/-0 until end of turn. Target creature gets -0/-3 until end of turn. |
| Constricting Tendrils | U | Instant | Target creature gets -3/-0 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Sewer Plague | 2B | Instant | Target creature an opponent controls perpetually gets -2/-2 and gains "At the beginning of each upkeep, this creature perpetually gets -1/-1." |
| Deceive the Messenger | U | Instant | Target creature gets -3/-0 until end of turn. Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) |