Daybound & Nightbound

Keywords · intermediate

Daybound and nightbound are paired abilities on transforming double-faced cards. They tie a permanent's face to whether it is day or night.

How it works

• The game tracks a day/night state once a daybound or nightbound permanent is around.
• If it is neither day nor night, a daybound permanent entering makes it day.
• It becomes night if the active player cast no spells on their turn, and becomes day again if a player cast at least two spells on their turn.
• Daybound permanents are on their front (day) face; nightbound permanents are on their back (night) face. They transform together when day and night switch.

Rules notes

• A permanent with daybound or nightbound cannot be transformed by other means; only the day/night change flips it.
• Day and night are a game-wide state, not a per-player one.

Rule reference

[702.145]