Historical Rules · 17 June 2011
Rule 202.2
Official source text from the 17 June 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 · 17 June 2011
Official source text from the 17 June 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.