Den of the Bugbear

If you control two or more other lands, Den
of the Bugbear enters the battlefield tapped.
{t}: Add {r}.
{3}{r}: Until end of turn, Den of the Bugbear
becomes a 3/2 red Goblin creature with
"Whenever this creature attacks, create a 1/1
red Goblin creature token that's tapped and
attacking." It's still a land.