Robusco the Awesome

Haste, trample, provoke, indestructible
Robusco enters the battlefield with X rage
counters. At the beginning of your upkeep
remove a rage counter from Robusco. When
the last rage counter is removed, Shuffle this
card into your library three cards from the top.
Robusco gets +1/+1 for each rage counter.
"ROBUSCOOOOO!!!" —Robusco