M:tG card similarity search
2BB · Sorcery
Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard.
| Name | Mana | Type | Text | 
|---|---|---|---|
| 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. | 
| Drown in Ichor | 1B | Sorcery | Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | 
| Whisper of the Dross | B | Instant | Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | 
| Ray of Enfeeblement | B | Instant | Target creature gets -4/-1 until end of turn. If that creature is white, it gets -4/-4 until end of turn instead. | 
| Serve | 1U | Instant | Target creature gets -6/-0 until end of turn. Fuse (You may cast one or both halves of this card from your hand.) | 
| 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.) | 
| Smokespew Invoker | 2B | Creature — Zombie Mutant | {7}{B}: Target creature gets -3/-3 until end of turn. 3/1 | 
| 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. | 
| Death Wind | XB | Instant | Target creature gets -X/-X until end of turn. | 
| Demon's Grasp | 4B | Sorcery | Target creature gets -5/-5 until end of turn. |