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 |
|---|---|---|---|
| Helm of Awakening | 2 | Artifact | Spells cost {1} less to cast. |
| K'rrik, Son of Yawgmoth | 4B/PB/PB/P | Legendary Creature — Phyrexian Horror Minion | ({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth. 2/2 |
| Stone Calendar | 5 | Artifact | Spells you cast cost up to {1} less to cast. |
| Soul Servitude | 2B | Instant | Target player sacrifices a nontoken creature. When they do, you may discard a card. If you do, conjure a duplicate of the sacrificed creature into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Conqueror's Flail | 2 | Artifact — Equipment | Equipped creature gets +1/+1 for each color among permanents you control. As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn. Equip {2} |
| Foriysian Totem | 3 | Artifact | {T}: Add {R}. {4}{R}: Foriysian Totem becomes a 4/4 red Giant artifact creature with trample until end of turn. As long as Foriysian Totem is a creature, it can block an additional creature each combat. |
| Dragonspeaker Shaman | 1RR | Creature — Human Barbarian Shaman | Dragon spells you cast cost {2} less to cast. 2/2 |
| Karfell Harbinger | 1U | Creature — Zombie Wizard | {T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell. 1/3 |
| Snapback | 1U | Instant | You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand. |
| Culling Scales | 3 | Artifact | At the beginning of your upkeep, destroy target nonland permanent with the lowest mana value. (If two or more permanents are tied for lowest, target any one of them.) |