M:tG card similarity search
B · Instant
Put a -1/-1 counter on target creature. When that creature dies this turn, its controller gets a poison counter.
| Name | Mana | Type | Text |
|---|---|---|---|
| Rookie Mistake | U | Instant | Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0. |
| Promise of Loyalty | 4W | Sorcery | Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it. |
| Bone Flute | 3 | Artifact | {2}, {T}: All creatures get -1/-0 until end of turn. |
| Hell Swarm | B | Instant | All creatures get -1/-0 until end of turn. |
| Infest | 1BB | Sorcery | All creatures get -2/-2 until end of turn. |
| Languish | 2BB | Sorcery | All creatures get -4/-4 until end of turn. |
| Marsh Gas | B | Instant | All creatures get -2/-0 until end of turn. |
| Nausea | 1B | Sorcery | All creatures get -1/-1 until end of turn. |
| Rags | 2BB | Sorcery | All creatures get -2/-2 until end of turn. |
| Shrivel | 1B | Sorcery | All creatures get -1/-1 until end of turn. |