M:tG card similarity search
5BB · Creature — Dragon
Flying Acid Breath — When Black Dragon enters the battlefield, target creature an opponent controls gets -3/-3 until end of turn. 4/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Plagued Rusalka | B | Creature — Spirit | {B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn. 1/1 |
| Unnerving Assault | 2U/R | Instant | Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell, and creatures you control get +1/+0 until end of turn if {R} was spent to cast this spell. (Do both if {U}{R} was spent.) |
| Contagion Engine | 6 | Artifact | When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.) |
| Demonic Stench | B | Instant — Adventure | Each creature that blocked this turn gets -1/-1 until end of turn. (Then exile this card. You may cast the creature later from exile.) |
| Ambulatory Edifice | 2B | Artifact Creature — Phyrexian Construct | When Ambulatory Edifice enters the battlefield, you may pay 2 life. When you do, target creature gets -1/-1 until end of turn. 3/2 |
| Disease Carriers | 2BB | Creature — Rat | When Disease Carriers dies, target creature gets -2/-2 until end of turn. 2/2 |
| Compound Fracture | B | Instant | Target creature gets -1/-1 until end of turn. It gets an additional -1/-1 until end of turn for each card named Compound Fracture in your graveyard. |
| Azorius Skyguard | 4WU | Creature — Human Knight | Flying, first strike Creatures your opponents control get -1/-0. 3/3 |
| Afflict | 2B | Instant | Target creature gets -1/-1 until end of turn. Draw a card. |
| Befuddle | 2U | Instant | Target creature gets -4/-0 until end of turn. Draw a card. |