Historical Rules · 23 January 2015
Rule 202.2
Official source text from the 23 January 2015 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 · 23 January 2015
Official source text from the 23 January 2015 Rules release
An object is the color or colors of the mana symbols in its mana cost, regardless of the color of its frame.