The answer to that question is a resounding ‘no’. While a card like Kingpin’s Pet will obviously be black and white in Color Identity, the mono-colored Extort cards like Blind Obedience are, well, mono-colored as far as the Commander format is concerned. The little hybrid symbol in the reminder text doesn’t count towards color identity, because reminder text has no rules meaning. So you can feel free to stick Crypt Ghast in your Kalastria or Geth or Maga deck; or to stick Blind Obedience in your Grand Arbiter deck!
Today’s Rules Tip written by Trevor Nunez