Den of the Bugbear (Dungeon Module) (AFR-351) - Adventures in the Forgotten Realms: (Showcase)

If you control two or more other lands, this land enters tapped.
: Add .
{3}: Until end of turn, this land 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.