M:tG card similarity search
2BB · Sorcery
If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Urge to Feed | BB | Instant | Target creature gets -3/-3 until end of turn. You may tap any number of untapped Vampire creatures you control. If you do, put a +1/+1 counter on each of those Vampires. |
| Tidal Bore | 1U | Instant | You may return an Island you control to its owner's hand rather than pay this spell's mana cost. You may tap or untap target creature. |
| Ulcerate | B | Instant | Target creature gets -3/-3 until end of turn. You lose 3 life. |
| Keening Banshee | 2BB | Creature — Spirit | Flying When Keening Banshee enters the battlefield, target creature gets -2/-2 until end of turn. 2/2 |
| Flare of Denial | 1UU | Instant | You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell. |
| Sewer Plague | 2B | Instant | Target creature an opponent controls perpetually gets -2/-2 and gains "At the beginning of each upkeep, this creature perpetually gets -1/-1." |
| Demonspine Whip | BR | Artifact — Equipment | {X}: Equipped creature gets +X/+0 until end of turn. Equip {1} |
| Epic Experiment | XUR | Sorcery | Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard. |
| Apex Observatory | Artifact | Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it. {T}: The next spell you cast this turn of the chosen type can be cast without paying its mana cost. | |
| Illness in the Ranks | B | Enchantment | Creature tokens get -1/-1. |