M:tG card similarity search
XRR · Instant — Arcane
You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mindswipe | XUR | Instant | Counter target spell unless its controller pays {X}. Mindswipe deals X damage to that spell's controller. |
| Call for Blood | 4B | Instant — Arcane | As an additional cost to cast this spell, sacrifice a creature. Target creature gets -X/-X until end of turn, where X is the sacrificed creature's power. |
| Cankerous Thirst | 3B/G | Instant | If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if {B}{G} was spent.) |
| Bubbling Muck | B | Sorcery | Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}. |
| Omen Machine | 6 | Artifact | Players can't draw cards. At the beginning of each player's draw step, that player exiles the top card of their library. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able. |
| Confront the Past | XB | Sorcery — Lesson | Choose one — • Return target planeswalker card with mana value X or less from your graveyard to the battlefield. • Remove twice X loyalty counters from target planeswalker an opponent controls. |
| Killing Wave | XB | Sorcery | For each creature, its controller sacrifices it unless they pay X life. |
| Cabal Conditioning | 6B | Sorcery | Any number of target players each discard a number of cards equal to the highest mana value among permanents you control. |
| Dega Disciple | W | Creature — Human Wizard | {B}, {T}: Target creature gets -2/-0 until end of turn. {R}, {T}: Target creature gets +2/+0 until end of turn. 1/1 |
| Bog Glider | 2B | Creature — Human Mercenary | Flying {T}, Sacrifice a land: Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle. 1/1 |