Haste
Whenever Risona deals combat damage to a player, if it doesn't have an indestructible counter on it, put an indestructible counter on it.
Whenever combat damage is dealt to you, remove an indestructible counter from Risona.
Removing the indestructible counter from Risona may cause it to die if it has taken lethal damage, usually because it blocked in the same combat that you took damage.