(Peat Ampitheater isn't a spell.)
Peat Ampitheater enters the battlefield tapped.
Discard two cards: Put a 2/2 black Zombie creature token onto the battlefield.
: Add to your mana pool. Return Peat Ampitheater to its owner's hand.
: Add 
to your mana pool. Return Peat Ampitheater to its owner's hand.
