Nemesis, Bane of Heresy

Double Strike, Indestructible
Nemesis, Bane of Heresy is not a creature until you sacrifice a white, a red, and a black creature on the battlefield.
Whenever Nemesis, Bane of Heresy attacks, target opponent must sacrifice 5 creatures or Nemesis, Bane of Heresy is unblockable until end of turn.
"You tongue is your sin."