Resources

Magic: The Gathering Comprehensive Rules Changes

Coldsnap to Time Spiral (Single Change View)

General changes

Old rule (Coldsnap) New rule (Time Spiral)

206.2.

The color of the expansion symbol indicates the rarity of the card within its set. A gold symbol signifies the card is rare; silver, uncommon; and black, common or basic land. (Prior to the Exodus (tm) set, all expansion symbols were black, regardless of rarity. Also, prior to the Sixth Edition core set, Magic core sets didn't have expansion symbols at all.)

206.2.

The color of the expansion symbol indicates the rarity of the card within its set. A gold symbol indicates the card is rare. A silver expansion symbol indicates the card is uncommon. A black or white expansion symbol indicates the card is common or is a basic land. A purple expansion symbol signifies a special rarity; to date, only the Time Spiral (tm) "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, Magic core sets didn't have expansion symbols at all.)