Charred Foyer // Warped Space (DSK #129)

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 {0} 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.)

Illustrated by Andrew Mar