Historical Rules · 1 February 2012
Rule 202.2
Official source text from the 1 February 2012 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 · 1 February 2012
Official source text from the 1 February 2012 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.