M:tG card similarity search
B · Instant
Until end of turn, target creature you control gets +1/+1 and target creature an opponent controls gets -1/-1.
| Name | Mana | Type | Text |
|---|---|---|---|
| Howl from Beyond | XB | Instant | Target creature gets +X/+0 until end of turn. |
| Street Riot | 4R | Enchantment | As long as it's your turn, creatures you control get +1/+0 and have trample. |
| 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. |