As this creature enters, roll a six-sided die. This creature enters with a number of +1/+1 counters on it equal to the result.
Whenever you roll a die, remove all +1/+1 counters from this creature, then put a number of +1/+1 counters on it equal to the result.
Illustrated by Wayne Reynolds · Unstable · #86
There are no rulings for Hammer Jammer.