Green Sails

Grandsailor (This card can only be Cast as long as
you are on a ship, at sea)
At the beginning of your Turn each Round, you
gain {g}. This Mana dissipates from your Mana
Pool at the end of your Turn.
You and all your Green Mana-colored Allies gain
a Positive Counter each Turn, up to a Max. of 3,
and have Trample.