Mercurial Heart is an expansion set that supports all seven classes (Assassin, Cleric, Guardian, Mage, Ranger, Tamer and Warrior). It primarily builds upon the play-styles and archetypes in Alchemical Revolution and the new Re:Collection decks.
191 unique cards in set
200 foil variations in set
8 randomly inserted cards per pack
20 booster packs per booster box
6 booster boxes per case
*First Edition (1E) boosters are printed in a single wave and won't be reprinted.