Golurk, Ancient Colossus

Vigilance, Trample
{t}: Add {e}{e}
Golurk, Ancient Colossus has flying if you control
an energy counter.

If it's your turn, you may pay {e}{e}. If you do, Golurk deals damage equal to it's power to any creature or player.
If it's not your turn, you may pay {e}{e}. If you do, switch Golurk's power and toughness. It gains defender until end of turn.