Mountain Reef enters the battlefield tapped unless you control three or more planeswalkers.
: Add to your mana pool. Return Mountain Reef to its owner's hand.
: Mountain Reef becomes a 2/2 red Goblin creature until end of turn. It's still a land.
: Add 
to your mana pool. Return Mountain Reef to its owner's hand.
: Mountain Reef becomes a 2/2 red Goblin creature until end of turn. It's still a land.
