Navuched, Desert's Might

Haste, vigilance, first strike
{w}{b}: put a +1/+1 counter on Navuched.
Activate only once each turn.
{w}{w},remove two +1/+1 counters from Navuched: Return Navuched to its owner's hand.
{w}{w}{r}{r/w},{t}: Navuched gains trample and double strike until end of turn.