Castle Dudhsagar

Castle Dudhsagar enters the battlefield tapped
unless you control a Forest or Island.
{t} {g} or {u}.
{6}{g}{u}: Until end of turn, Castle Dudhsagar
becomes a 2/6 green and blue Artifact creature
with flying and "Whenever this creature attacks,
each other attacking creature gains flying until
end of turn." It's still a land.