Sans, Manical Overlord

Indestructible, Double Strike, Protection from Enchantments
At the end of each turn, if creature you control
died this turn, destroy X creature your opponent controls. If a creature would be put in a graveyard
from anywhere, exile it instead.
"It's a beautiful day outside. Birds are singing, flowers
are blooming. On days like this...kids like you...
SHOULD BE BURNING IN HELL."