Pipe, the Drone

Flying.
At the beggining of your upkeep you may pay {g}{g}.
If you don't pay {g}{g}, Pipe the Drone loses
flying until end of turn.
When Pipe the Drone has the ability of Fly,
it gains +3/+3.
When Pipe the Drone hasn't the ability of Fly,
it gains -3/-3.
"Mas encima no hay ni un verdecito... "