Historical Rules · 25 September 2014
Rule 202.2
Official source text from the 25 September 2014 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 September 2014
Official source text from the 25 September 2014 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.