Sunken Gorge enters the battlefield tapped unless you control an enchantment.
: Add or to your mana pool.
Sacrifice Sunken Gorge: Add or to your mana pool.
, Sacrifice Sunken Gorge: Add to your mana pool.
: Add 
or 
to your mana pool. or to your mana pool., Sacrifice Sunken Gorge: Add 
to your mana pool.
