Benthic Hydra

Benthic Hydra enters the battlefield with X +1/+1 counters on it.
{g}, Return a land you control to your hand:
Put a +1/+1 counter onto Benthic Hydra.
{u}, Remove a +1/+1 counter from Benthic
Hydra: Tap or untap target permanent.
When the shallows feed on the surface...