Historical Rules · 8 April 2016
Rule 202.2
Official source text from the 8 April 2016 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 · 8 April 2016
Official source text from the 8 April 2016 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.