Gil & Bert, Land Un-Fucked

You may play this card as a land that has:

{t} Search your library for a land card and
exile it. You may play lands exiled this way by paying 1 life if it is the first land you played this turn.

{3}{b}{g}{u}Gil & Bert, Land Un-Fucked becomes a creature with and +X/+X where X is half the number of lands you control rounded up.