Wizards of the Coast
Planar Chaos contains 165 black bordered playable cards. A Planar Chaos booster box contains 36 sealed packs. Each pack contains 15 cards, of those 15 cards you will get 1 rare, 1 Time Shifted rare or 1 uncommon, 2 uncommons, and 11 commons with the chance of any foil being in place of a common spot.
This set takes past cards and puts them into new colors, causing chaos across the worlds of Magic the Gathering. Mechanics of this set include old abilities such as Suspend, Kicker, Morph, Echo, and Vanishing.
Cards of note from this set include... Damnation, Extirpate, Urborg, Tomb of Yawgmoth, Akroma, Angel of Fury, and Groundbreaker.