Slifer the Sky Dragon

Shroud Indestructible
This spell can not be countered. In addition to
this cards mana cost, sacrifice 3 creatures you
control. Slifer the Sky Dragons power and
toughness are equal to 3x the number of cards in
your hand. All creatures that enter the battlefield
under your opponents control lose 2 power and
toughness. This card can not switch control to an
opponent. Effects that would make this card
leave the field only affect it for 1 turn.