Korone, Knock Out Dog

Cumulative upkeep-Put a charge counter on
Korone.
{1}{r/g}{r/g}, {t}, Remove one or more charge counters
from Korone: It gets +1/+0 for each charge
counter removed and it fights target creature you
don't control. Activate only as a sorcery.
Whenever Korone fights, it gains indestructible
until end of turn.