Historical Rules · 29 September 2017
Rule 202.2
Official source text from the 29 September 2017 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.
Historical Rules · 29 September 2017
Official source text from the 29 September 2017 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.