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 |
|---|---|---|---|
| Mine Collapse | 3R | Instant | If it's your turn, you may sacrifice a Mountain rather than pay this spell's mana cost. Mine Collapse deals 5 damage to target creature or planeswalker. |
| Mental Misstep | U/P | Instant | ({U/P} can be paid with either {U} or 2 life.) Counter target spell with mana value 1. |
| Spell Snare | U | Instant | Counter target spell with mana value 2. |
| Hazoret's Undying Fury | 4RR | Sorcery | Shuffle your library, then exile the top four cards. You may cast any number of spells with mana value 5 or less from among them without paying their mana costs. Lands you control don't untap during your next untap step. |
| Surge of Strength | RG | Instant | As an additional cost to cast this spell, discard a red or green card. Target creature gains trample and gets +X/+0 until end of turn, where X is that creature's mana value. |
| Abolish | 1WW | Instant | You may discard a Plains card rather than pay this spell's mana cost. Destroy target artifact or enchantment. |
| Fireblast | 4RR | Instant | You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target. |
| Soul Spike | 5BB | Instant | You may exile two black cards from your hand rather than pay this spell's mana cost. Soul Spike deals 4 damage to any target and you gain 4 life. |
| Calamity of the Titans | 4CC | Sorcery | As an additional cost to cast this spell, reveal a colorless creature card from your hand. Exile each creature and planeswalker with mana value less than the revealed card's mana value. |
| Heartlash Cinder | 1R | Creature — Elemental Warrior | Haste Chroma — When Heartlash Cinder enters the battlefield, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control. 1/1 |