M:tG card similarity search
5 · Artifact
Creatures you control get +1/+1 and have flying and indestructible. At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Liege of the Pit | 5BBB | Creature — Demon | Flying, trample At the beginning of your upkeep, sacrifice a creature other than Liege of the Pit. If you can't, Liege of the Pit deals 7 damage to you. Morph {B}{B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 7/7 | 
| Death Pit Offering | 2BB | Enchantment | When Death Pit Offering enters the battlefield, sacrifice all creatures you control. Creatures you control get +2/+2. | 
| Maw of the Obzedat | 3WB | Creature — Thrull | Sacrifice a creature: Creatures you control get +1/+1 until end of turn. 3/3 | 
| Skeletal Kathari | 4B | Creature — Bird Skeleton | Flying {B}, Sacrifice a creature: Regenerate Skeletal Kathari. 3/2 | 
| Wake of Vultures | 3B | Creature — Bird | Flying {1}{B}, Sacrifice a creature: Regenerate Wake of Vultures. 3/1 | 
| Piru, the Volatile | 2RRWWBB | Legendary Creature — Elder Dragon | Flying, lifelink At the beginning of your upkeep, sacrifice Piru, the Volatile unless you pay {R}{W}{B}. When Piru dies, it deals 7 damage to each nonlegendary creature. 7/7 | 
| Corrupted Harvester | 4BB | Creature — Phyrexian Horror | {B}, Sacrifice a creature: Regenerate Corrupted Harvester. 6/3 | 
| Barrow Ghoul | 1B | Creature — Zombie | At the beginning of your upkeep, sacrifice Barrow Ghoul unless you exile the top creature card of your graveyard. 4/4 | 
| Dimir House Guard | 3B | Creature — Skeleton | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Sacrifice a creature: Regenerate Dimir House Guard. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.) 2/3 | 
| Hungry Hungry Heifer | 2G | Creature — Cow | At the beginning of your upkeep, you may remove a counter from a permanent you control. If you don't, sacrifice Hungry Hungry Heifer. 3/3 |