Rule 206.2

The color of the expansion symbol indicates the rarity of the card within its set. A red-orange symbol indicates the card is mythic rare. A gold symbol indicates the card is rare. A silver symbol indicates the card is uncommon. A black or white symbol indicates the card is common or is a basic land. A purple symbol signifies a special rarity; to date, only the _Time Spiral_(R) "timeshifted" cards, which were rarer than that set's rare cards, have had purple expansion symbols. (Prior to the Exodus(TM) set, all expansion symbols were black, regardless of rarity. Also, prior to the Sixth Edition core set, with the exception of the Simplified Chinese _Fifth Edition_ core set, _Magic_ core sets didn't have expansion symbols at all.)

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