M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Shrivel | 1B | Sorcery | All creatures get -1/-1 until end of turn. |
| Festergloom | 2B | Sorcery | Nonblack creatures get -1/-1 until end of turn. |
| Stronghold Taskmaster | 2BB | Creature — Giant Minion | Other black creatures get -1/-1. 4/3 |
| Urborg Shambler | 2BB | Creature — Horror | Other black creatures get -1/-1. 4/3 |
| Mutilate | 2BB | Sorcery | All creatures get -1/-1 until end of turn for each Swamp you control. |
| Nefashu | 4BB | Creature — Zombie Mutant | Whenever Nefashu attacks, up to five target creatures each get -1/-1 until end of turn. 5/3 |
| Rising Miasma | 3B | Sorcery | All creatures get -2/-2 until end of turn. Awaken 3—{5}{B}{B} (If you cast this spell for {5}{B}{B}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.) |
| Mephitic Vapors | 2B | Sorcery | All creatures get -1/-1 until end of turn. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) |
| Shipwreck Singer | UB | Creature — Siren | Flying {1}{U}: Target creature an opponent controls attacks this turn if able. {1}{B}, {T}: Attacking creatures get -1/-1 until end of turn. 1/2 |
| Hypnotic Pattern | U | Instant | Target creature perpetually gets -2/-0. Target creature gets -2/-0 until end of turn. |