Bert, Elite Sweep

Indestructible
Each creature you control with more than five
+1/+1 counters on it has hexproof. Each other creature you control with indestructible also has
hexproof, and each creature you control with
hexproof also has indestructible.
Marys Associate - (If Mary, Practically Perfect or
any card named Mary Poppins is your commander,
Bert can also be your commander)