Chréosi, charge keeper

Indestructible, hexproof.
When Chreosi, charge keeper enters the battlefield
put two charge counter on him.
Whenever you or a permanent you control is dealt damage put a charge counter on Chreosi.
{t} : deal x damage to target creature an opponent controls where x is the number of charge counters
on Chreosi, charge keeper.
Remove 15 charge counters from Chreosi, charge keeper : change the word target to each on this card.