Historical Rules · 1 June 2020
Rule 202.3a
Official source text from the 1 June 2020 Rules release
The converted mana cost of an object with no mana cost is 0, unless that object is the back face of a double-faced permanent or is a melded permanent.
Historical Rules · 1 June 2020
Official source text from the 1 June 2020 Rules release
The converted mana cost of an object with no mana cost is 0, unless that object is the back face of a double-faced permanent or is a melded permanent.