Vecna

Indestructible
At the beginning of your upkeep, you may pay {2} If you do, you draw a card and you lose 2 life.
At the beginning of combat on your turn,
equipped creature or a creature you control
named Vecna gets +X/+X until end of turn,
where X is the number of cards in your hand.
At the beginning of your end step, if you lost 2
or more life this turn, create a 2/2 black Zombie creature token.