Charred Foyer // Warped Space (129)

Charred Foyer

At the beginning of your card of your upkeep, exile the top card of your library. You may play it this turn

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Warped Space

Once each turn, you may pay 0 rather than pay the mana cost for a spell you cast from exile.

At the beginning of your upkeep, exile the top card of your library. You may play it this turn.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Once each turn, you may pay rather than pay the mana cost for a spell you cast from exile.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)