Historical Rules · 20 January 2017
Rule 105.4
Official source text from the 20 January 2017 Rules release
If a player is asked to choose a color, he or she must choose one of the five colors. “Multicolored” is not a color. Neither is “colorless.”
Historical Rules · 20 January 2017
Official source text from the 20 January 2017 Rules release
If a player is asked to choose a color, he or she must choose one of the five colors. “Multicolored” is not a color. Neither is “colorless.”