Two promo Spirits for Spirit Island, printed as part of the initial Kickstarter. Includes two Spirit Mats and eight Unique Power cards. Remaining supplies will be available from Greater Than Games at conventions (and perhaps other channels) for however long they last.
Heart of the Wildfire is a joyous Spirit of fire, destruction, and (maybe eventually) renewal. Mechanically, it's high-complexity, extreme-offense, and blights the land as it spreads.
Serpent Slumbering Beneath the Island is a slow-to-wake primal Spirit of the deep, deep earth. Mechanically, it's high-complexity and slow-developing with huge late-game payoffs.