Horizon Ampitheater enters the battlefield tapped.
: Add to your mana pool. Activate this ability only if you control a Plains.
: Add to your mana pool. Activate this ability only if you control a Mountain.
Cycling (, Discard this card: Draw a card.)
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: Add 
to your mana pool. Activate this ability only if you control a Plains.
to your mana pool. Activate this ability only if you control a Mountain.
(
