Historical Rules · 3 May 2019
Rule 202.3a
Official source text from the 3 May 2019 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 · 3 May 2019
Official source text from the 3 May 2019 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.