Watermouth hydra

The watermouth dragon enters the battlefield
with X +1/+1 counters.
{1}, {t}: The watermouth dragon deals damage
equal to its power divided by 2, rounded down,
to another target creature.
Whenever the watermouth dragon deals damage
to a creature, put that many +1/+1 counters on it.
the watermouth dragon is an interesting creature.
It shoots water out of its mouth, not fire.