Jalay, Chained Behemoth

Exalted
Jalay enters the battlefield with 5 Chain Counters.
Jalay get -1/-1 for each Chain Counter on it.
At the Beginning of you upkeep, remove a Chain Counter from Jalay.
If there are no Chain Counters on Jalay, Exert it and destroy each other non-land permanent.
{b}{b}{b}{b}{t}: Remove a Chain Counter from Jalay