Saw Nosed, Arlong

Hexproof from blue
Whenever a merfolk you control is dealt damage
by a human, you may put a +1/+1 counter on
Saw Nosed, Arlong, if you do, it fights that
human.
{g}{g}{g},{t}: Destroy target land, other merfolk
you control get +2/+2 until end of turn. Use this
ability only if that lands controller controls a
human.