M:tG card similarity search
2BB · Sorcery
All creatures get -1/-1 until end of turn for each Swamp you control.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Hideous Laughter | 2BB | Instant — Arcane | All creatures get -2/-2 until end of turn. Splice onto Arcane {3}{B}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.) | 
| Aquus Steed | 3U | Creature — Beast | {2}{U}, {T}: Target creature gets -2/-0 until end of turn. 1/3 | 
| Constricting Tendrils | U | Instant | Target creature gets -3/-0 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) | 
| Ichor Slick | 2B | Sorcery | Target creature gets -3/-3 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) | 
| 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. | 
| Silumgar Butcher | 4B | Creature — Zombie Djinn | Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Silumgar Butcher exploits a creature, target creature gets -3/-3 until end of turn. 3/3 | 
| Glistening Deluge | 1BB | Sorcery | All creatures get -1/-1 until end of turn. Creatures that are green and/or white get an additional -2/-2 until end of turn. | 
| Krosan Constrictor | 3G | Creature — Snake | Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) {T}: Target black creature gets -2/-0 until end of turn. 2/2 | 
| Take the Fall | U | Instant | Target creature gets -1/-0 until end of turn. It gets -4/-0 until end of turn instead if you control an outlaw. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.) Draw a card. | 
| Death Pulse | 2BB | Instant | Target creature gets -4/-4 until end of turn. Cycling {1}{B}{B} ({1}{B}{B}, Discard this card: Draw a card.) When you cycle Death Pulse, you may have target creature get -1/-1 until end of turn. |