M:tG card similarity search
B · Instant
As an additional cost to cast this spell, sacrifice a creature. Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Sacrifice | B | Instant | As an additional cost to cast this spell, sacrifice a creature. Add an amount of {B} equal to the sacrificed creature's mana value. |
| Forge Armor | 4R | Instant | As an additional cost to cast this spell, sacrifice an artifact. Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value. |
| Midlife Upgrade | 3W | Sorcery | As an additional cost to cast this spell, sacrifice X Contraptions. Assemble X plus one Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.) |
| Eliminate the Competition | 4B | Sorcery | As an additional cost to cast this spell, sacrifice X creatures. Destroy X target creatures. |
| Nahiri's Sacrifice | 1R | Sorcery | As an additional cost to cast this spell, sacrifice an artifact or creature with mana value X. Nahiri's Sacrifice deals X damage divided as you choose among any number of target creatures. |
| Eldritch Evolution | 1GG | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution. |
| 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. |
| Culling the Weak | B | Instant | As an additional cost to cast this spell, sacrifice a creature. Add {B}{B}{B}{B}. |
| Infernal Plunge | R | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add {R}{R}{R}. |