Slifer, The Sky Dragon

Flying
Ward {3}
Convoke
This spell can't be countered.
This card has Indestructible and Hexproof the turn
it is summoned.
Slifer, The Sky Dragon's Power and Toughness are
+1/+1 equal to the number of cards in your hand.
When an opponent plays a creature card put a -2/-2 counter on it, if it's Toughness is zero destroy that
card.