Tarrasque

Doublestrike, reach, indestructible, trample.
This creature enters the battlefield tapped and
does not untap during your untap step.
When this creature is targeted by a spell or ability counter it unless its controller pays {4}.
This creature can't be sacrificed.
This creature attacks each combat if able.
At the beginning of each player's end step the
player to your left gains control of this creature.
{g}{g}{g}: Return this card from exile or your
graveyard to the top of your library.