Sileeris, Scarlet Dread-Tyrant

Flying, Trample

Whenever a creature you don't control dies, create a copy of it, except it is a red/black Vampire Demon with Lifelink in addition to its other types

Creatures in graveyards gain Mutate {x}, where X is their converted mana cost.

"Now all things shall become like ME!" - Sileeris to
a group of pesky adventurers.