Rule evolution

Rule 903.4d

Previously numbered 903.4c.

Earliest archived Rules release: 2011-09-30 · 3 wording revisions · 1 renumbering

  1. Added903.4cDetails
    The back face of a double-faced card (see rule 711) is included when determining a card's color identity. Example: Civilized Scholar is the front face of a double-faced card with mana cost {2}{U}. Homicidal Brute is the back face of that double-faced card and has a red color indicator. The card's color identity is blue and red.
  2. Wording changed903.4cDetails
    The back face of a double-faced card (see rule 711) is included when determining a card's color identity. This is an exception to rule 711.4a. Example: Civilized Scholar is the front face of a double-faced card with mana cost {2}{U}. Homicidal Brute is the back face of that double-faced card and has a red color indicator. The card's color identity is blue and red.
  3. Renumbered903.4c → 903.4dDetails

    Previously
    9. Casual Variants
    903. Commander

    Then
    9. Casual Variants
    903. Commander

    The back face of a double-faced card (see rule 711) is included when determining a card’s color identity. This is an exception to rule 711.4a. Example: Civilized Scholar is the front face of a double-faced card with mana cost {2}{U}. Homicidal Brute is the back face of that double-faced card and has a red color indicator. The card’s color identity is blue and red.
  4. Wording changed903.4dDetails
    The back face of a double-faced card (see rule 711712) is included when determining a card's color identity. This is an exception to rule 711712.4a. Example: Civilized Scholar is the front face of a double-faced card with mana cost {2}{U}. Homicidal Brute is the back face of that double-faced card and has a red color indicator. The card's color identity is blue and red.
  5. Wording changed903.4dDetails
    The back face of a double-faced card (see rule 712) is included when determining a card's color identity. This is an exception to rule 712.4a8a. Example: Civilized Scholar is the front face of a double-faced card with mana cost {2}{U}. Homicidal Brute is the back face of that double-faced card and has a red color indicator. The card's color identity is blue and red.

Current in the latest available Rules
Unchanged since 2026-08-07.