Crag Farm enters the battlefield tapped unless you control four or more creatures.
, : Add to your mana pool.
: Crag Farm becomes a 2/2 red Goblin creature until end of turn. It's still a land.
, 
: Add 
to your mana pool., : Add to your mana pool.
: Crag Farm becomes a 2/2 red Goblin creature until end of turn. It's still a land.
