The Crimson King

Double Strike, Haste

When the Crimson King enters the battlefield, draw a card. You may pay {r}{r} and
deal damage equal to the toughness of the King
and the mana value of the drawn card to a creature or planeswalker of your choice.

{x}{b}{r} Sacrifice a creature, the Crimson King gains +X/+X equal to the X mana paid.