Rorgan, Wrath of the Clans

Rorgan, Wrath of the Clans can't be countered.
Enforce (This creature's power and toughness can't
be reduced by spells and abilities you don't control and
it can't be destroyed by lethal damage unless lethal
damage dealt by a single source is marked on it.)
Other creatures with enforce you control have fierceness 1. (Whenever this creature deals lethal
damage to a permanent, put a +1/+1 counter on it.)