Glycerol The Protector

As long as you control Glycerol the protector you
may pay {2} instead of sacrificing a protein token.
When you do, put a counter on Glycerol the protector.
When Glycerol the protector has 5 or more
counters on it, sacrifice it : all your Protein gain
+2/+2 and indestructible until the end of the
turn.