Venteil Nekai, AutoEvolver

Whenever a creature enters the battlefieldyou may pay {g/u}{g/u}{g/u} and put a +/+1 counter on Venteil Nekai, AutoEvolver.
If Venteil Nekai, AutoEvolver has power 3 or greater he has flying, 5 or greater he has deathtouch, 7 or greater he has trample, 10 or greater he has hexproof .
{u}{g} remove a +1+1 counters from Venteil Nekai, AutoEvolver, regenerates
"final form? no such thing"