Historical Rules · 25 August 2017
Rule 202.2
Official source text from the 25 August 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 · 25 August 2017
Official source text from the 25 August 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.