Slifer the Sky Dragon

Flying, Haste, Vigilance, Trample
This spell can't be countered.
Slifer the Sky Dragon is all colors.
If this card was cast from your hand by paying
it's mana cost, negate all spells and abilities until
the end of turn. Otherwise, send it to the
graveyard at the end of this turn.
This creature's power and toughness are equal
to 3x the number of cards in your hand.
Creatures you don't control get -5/-5.