Slifer, The Sky Dragon

Kicker: Sacrafice 3 Creatures
When this Creature Enters the Battlefield if it was kicked place a divinity counter on it
Flying, Hexproof
This creature's power and toughness are equal to the number of cards in your hand
When a Creature enter the battlefield under an opponents control place a -1/-1 counter on each Creature that player Controls
At the begeing of each end step if this creature does not have a divintiy counter on it sacrafice it