Historical Rules · 26 September 2015
Rule 711.1a
Official source text from the 26 September 2015 Rules release
A double-faced card’s front face includes its mana cost. Its back face has no mana cost.
Historical Rules · 26 September 2015
Official source text from the 26 September 2015 Rules release
A double-faced card’s front face includes its mana cost. Its back face has no mana cost.