M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Endemic Plague | 3B | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Destroy all creatures that share a creature type with the sacrificed creature. They can't be regenerated. |
| Watermarket | Land | {T}: Add {C}{C}. Spend this mana only to cast spells with watermarks. | |
| Finish | 2B | Sorcery | Aftermath (Cast this spell only from your graveyard. Then exile it.) As an additional cost to cast Finish, sacrifice a creature. Destroy target creature. |
| Void Winnower | 9 | Creature — Eldrazi | Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values. 11/9 |
| Necrotic Fumes | 1BB | Sorcery — Lesson | As an additional cost to cast this spell, exile a creature you control. Exile target creature or planeswalker. |
| Thorn of Amethyst | 2 | Artifact | Noncreature spells cost {1} more to cast. |
| Feroz's Ban | 6 | Artifact | Creature spells cost {2} more to cast. |
| Demand Answers | 1R | Instant | As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards. |
| Xander's Pact | 4BB | Sorcery | Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.) Each opponent exiles the top card of their library. You may cast spells from among those cards this turn. If you cast a spell this way, pay life equal to that spell's mana value rather than pay its mana cost. |
| Headless Skaab | 2U | Creature — Zombie Warrior | As an additional cost to cast this spell, exile a creature card from your graveyard. Headless Skaab enters the battlefield tapped. 3/6 |