Den of the Bugbear (Dungeon Module) - Adventures in the Forgotten Realms - #351

AN ADVENTURE FOR CHARACTER LEVELS 17-20
If you control two or more other lands, Den of the Bugbear enters the battlefield tapped.
T: Add R.
3R: 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.