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 |
|---|---|---|---|
| Karn's Sylex | 3 | Legendary Artifact | Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery. |
| Parallectric Feedback | 3R | Instant | Parallectric Feedback deals damage to target spell's controller equal to that spell's mana value. |
| Refuse | 3R | Instant | Refuse deals damage to target spell's controller equal to that spell's mana value. |
| Death Mutation | 6BG | Sorcery | Destroy target nonblack creature. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value. |
| Universal Surveillance | XUUU | Sorcery | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw X cards. |
| Great Hall of the Citadel | Land | {T}: Add {C}. {1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast legendary spells. | |
| Curse of Vengeance | B | Enchantment — Aura Curse | Enchant player Whenever enchanted player casts a spell, put a spite counter on Curse of Vengeance. When enchanted player loses the game, you gain X life and draw X cards, where X is the number of spite counters on Curse of Vengeance. |
| Mind Spring | XUU | Sorcery | Draw X cards. |
| Rashmi, Eternities Crafter | 2GU | Legendary Creature — Elf Druid | Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand. 2/3 |
| Rally the Ancestors | XWW | Instant | Return each creature card with mana value X or less from your graveyard to the battlefield. Exile those creatures at the beginning of your next upkeep. Exile Rally the Ancestors. |