M:tG card similarity search
B · Instant
As an additional cost to cast this spell, sacrifice a creature. Add {B}{B}{B}{B}.
| Name | Mana | Type | Text |
|---|---|---|---|
| Desecration Elemental | 3B | Creature — Elemental | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever a player casts a spell, sacrifice a creature. 8/8 |
| Scarscale Ritual | 1U/B | Sorcery | As an additional cost to cast this spell, put a -1/-1 counter on a creature you control. Draw two cards. |
| Flesh Allergy | 2BB | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Destroy target creature. Its controller loses life equal to the number of creatures that died this turn. |
| Swallow Whole | W | Sorcery | As an additional cost to cast this spell, tap an untapped creature you control. Exile target tapped creature. Put a +1/+1 counter on the creature tapped to pay this spell's additional cost. |
| Necrologia | 3BB | Instant | Cast this spell only during your end step. As an additional cost to cast this spell, pay X life. Draw X cards. |
| Rescue from the Underworld | 4B | Instant | As an additional cost to cast this spell, sacrifice a creature. Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld. |
| Chorus of the Conclave | 4GGWW | Legendary Creature — Dryad | Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) As an additional cost to cast creature spells, you may pay any amount of mana. If you do, that creature enters the battlefield with that many additional +1/+1 counters on it. 3/8 |
| Thorn of Amethyst | 2 | Artifact | Noncreature spells cost {1} more to cast. |
| Feroz's Ban | 6 | Artifact | Creature spells cost {2} more to cast. |
| Altar of Bone | GW | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card, reveal it, put it into your hand, then shuffle. |