Simic Oasis

When Simic Oasis enters the battlefield draw a
card then discard a card, then put a +1/+1
counter on target creature you control.
{t}: Add {g/u}{g/u}.
{t}: Add {u}, then draw two cards then discard two
cards.
{t}: Add {g}, then put two +1/+1 counters on
target creature you control.