Historical Rules · 5 October 2018
Rule 202.2
Official source text from the 5 October 2018 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 · 5 October 2018
Official source text from the 5 October 2018 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.