Cave Farm enters the battlefield tapped unless you control an enchantment.
: Add or to your mana pool.
: Cave Farm becomes a 2/2 red and green Goblin creature with trample until end of turn. It's still a land.
: Add 
or 
to your mana pool.
: Cave Farm becomes a 2/2 red and green Goblin creature with trample until end of turn. It's still a land.
