Slifer, The Sky Dragon

Flying, Hexproof, Trample

In addition to casting Slifer, sacrifice three creatures.

If you did not cast this creature, sacrifice it at the end of your turn.

You have no maximum hand size, Slifer, The Sky Dragon gains +2/+2 for each card in your hand.

Pay 10 life: there is an additional combat step this turn, you can only activate this twice each turn.