When Reef Fortress enters the battlefield, you lose 1 life unless you reveal a multicolored card from your hand.
: Add or to your mana pool.
Put Reef Fortress on top of your library: Add to your mana pool.
: Return Reef Fortress to its owner's hand.
: Add 
or 
to your mana pool.
to your mana pool. : Return Reef Fortress to its owner's hand.
