Slifer The Sky Dragon

Flying, Trample
Protection from non combat damage.
As an additional cost to cast this spell sacrafice 3 creatures.
Slifer The Sky Dragon's power and toughness are
each equal to the number of cards in your hand.
Whenever a creature an opponet controls enters
the battlefield Slifer The Sky Dragon puts 3 -1/-0
counters on that creature then if that creatures
power is 0 or less destroy that creature.