For the WAAAGH!

At the beginning of your first main phase,
put a war counter on For the WAAAGH!,
then you may pay {r} equal to the number of
war counters on For the WAAAGH!. If you
do, amass orcs x, where x is the number of
war counters on For the WAAAGH!, then sacrifice it if there are three or more war counters on it.