Built in honor of Alara's creatures, the ziggurat vanished long ago. When Progenitus awakened, the temple emerged again.

Ancient Ziggurat

{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Historic Anthology 3

The List

Leylines branch out from its foundation like roots from a tree. These draw mana from every region and welcome all living things into its verdant chambers.

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{T}: Add one mana of any color to your mana pool. Spend this mana only to cast creature spells.

Mana produced by Ancient Ziggurat can be spent on any part of a creature spell’s total cost. This includes additional costs (such as kicker) and alternative costs (such as evoke or Worldheart Phoenix’s alternative cost).

Mana produced by Ancient Ziggurat can’t be spent on activated abilities that put a creature card directly onto the battlefield, such as unearth or ninjutsu.