Thandee

Trample, Vigilance, Flying, Indestructible
This creature cannot be countered.
At the beginning of each players upkeep,
put a +1 +1 counter on Thandee.

At the beginning of your end step, Thandee's power and toughness become Thandee's base power and toughness.
No man, should have this much power-Thandee