When Green Ampitheater enters the battlefield, sacrifice it unless you pay 1 life.
: Add or to your mana pool.
Sacrifice Green Ampitheater: Add or to your mana pool.
, Sacrifice Green Ampitheater: Add to your mana pool.
: Add 
or 
to your mana pool. or to your mana pool., Sacrifice Green Ampitheater: Add 
to your mana pool.
