Get Ashore Briskly

Put a creature card from your hand onto the
battlefield. If you do, sacrifice it unless you
pay its mana cost reduced by up to {2}.
If {g} was used to play Get Ashore Briskly, you
may reduce by {x} the mana cost you need to pay.
If you do, then put X -1/-1 counters on it as it
enters the battlefield. It gets "At the beginning
of your upkeep, remove a -1/-1 counter from
this card." until no -1/-1 counters remain.
"The swim was easy."