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 |
|---|---|---|---|
| Marshland Bloodcaster | 4B | Creature — Vampire Warlock | Flying {1}{B}, {T}: Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value. 3/5 |
| Aura Mutation | GW | Instant | Destroy target enchantment. Create X 1/1 green Saproling creature tokens, where X is that enchantment's mana value. |
| Galvanic Giant | 3U | Creature — Giant Wizard | Whenever you cast a spell with mana value 5 or greater, tap target creature an opponent controls and put a stun counter on it. 3/3 |
| Citanul Flute | 5 | Artifact | {X}, {T}: Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle. |
| North Star | 4 | Artifact | {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.) |
| Disciple of Bolas | 3B | Creature — Human Wizard | When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power. 2/1 |
| Invoke Prejudice | UUUU | Enchantment | Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value. |
| Kindred Denial | 2UU | Instant | Counter target spell. Seek a card with the same mana value as that spell. |
| Ruinous Intrusion | 3G | Instant | Exile target artifact or enchantment. Put X +1/+1 counters on target creature you control, where X is the mana value of the permanent exiled this way. |
| Roilmage's Trick | 3U | Instant | Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell. Draw a card. |