Pocahontas, Tainted Void

{1}{p/b}, {t}: Destroy target creature, you lose 1 life.
{t}: Exile target card from target graveyard.
{x}{b}{b},{t}: Exile target creature, you lose life equal
to the creature's power - X
"Its power comes from the contents within,
the sheer density of mass warps the mana & spacetime around it. Those who dare enter Pocahontas'
forsaken doors do not return the same... The day of
overflow will be the
Judgement Day for all." -Tome of Rotary, 87:112