Historical Rules · 15 July 2011
Rule 202.2
Official source text from the 15 July 2011 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 · 15 July 2011
Official source text from the 15 July 2011 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.