Garr, The Twice Scarred

Reach, Trample, Mentor
Whenever Garr, The Twice Scarred Attacks, Put 2 +1/+1 counters on it.
If Garr, The Twice Scarred has 7 or more +1/+1 counters on it, cant attack or block.
At the beginning of your upkeep if Garr, The Twice Scarred has 11 or more +1/+1
counters on it you win the game