Insurmountable Dunes

Insurmountable Dunes enters play tapped, with
a Sand counter on it.
{t}: Add {w} or {r} to your mana pool.
{2}{w}{r}, {t}, Remove a Sand counter from Insurmountable Dunes: Deal 1 damage to target creature an opponent controls. Then, if that
opponent controls no creatures, you may draw a
card.