Alien X

Hexproof, Flying, Haste, Lifelink, Vigilance, Devoid
Alien X enters the battlefield with five Argument counters. At the beginning of your upkeep, remove one. This creature can't use activated abilities unless it has no Argument counters.
{t}: Put two Argument counters on Alien X. Destroy
up to 3 target creatures.
{t}: Put three Argument counters on Alien X. As long as it has a counter, permanents your opponents control lose hexproof and shroud, and can't change their tapped state.
Alien X's power is