Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)
{2}{B}{R}{G}
Korvold, Fae-Cursed King
Legendary Creature - Dragon Noble
Flying
Whenever Korvold, Fae-Cursed King enters the battlefield or attacks, sacrifice another permanent.
Whenever you sacrifice a permanent, put a +1/+1 counter on Korvold and draw a card.
4 /
4
{3}{B}{G}
Mazirek, Kraul Death Priest
Legendary Creature - Insect Shaman
Flying
Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.
2 /
2
{3}
Mimic Vat
Artifact
Imprint -- Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.
{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.
{3}{B}
Pitiless Plunderer
Creature - Human Pirate
Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
1 /
4
{1}{B}
Priest of Forgotten Gods
Creature - Human Cleric
{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature. You add {B}{B} and draw a card.
1 /
2
{1}
Witch's Oven
Artifact
{T}, Sacrifice a creature: Create a Food token. If the sacrificed creature's toughness was 4 or greater, create two Food tokens instead. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")