Ferrell, Vengeful Adventurer

Whenever Ferrell, Vengeful Adventurer becomes blocked by a creature, put a +1/+1 counter on him.
Whenever Ferrell Vengeful Adventurer deals combat damage to a player remove any number of +1/+1 counters from him and then that many 1/1 red and white Human Soldier creature tokens.
I will give to you as much pain as you have given to
me.