Genos

Reach, Hexproof
{w}{w}, Upgrade 1, Gain 1 life, put +1/+1 counter
on Genos until end of turn.
{w}{w}{w}, Upgrade 2, Gain Trample, put two
+1/+1 counters on Genos until end of turn.
{w}{w}{w}{w}{w}, Final Upgrade, put five +1/+1
counters on Genos, Gain Flying, Lose Hexproof. Permanent.