Xaak'un, Menace of Zendikar

Xaak'un, Menace of Zendikar enters the battlefield with 9 +1/+1 counteres on it.
{g}{g}{x}: Remove X +1/+1 counters from Xaak'un, Menace of Zendikar, Xaak'un, Menace of Zendikar deals X damage to each creature an opponent controls and X damage to target player.