The game is loosely based on the classic alchemy game where you combine two items to create a new one. There are multiple ways to play it:
Collect all the cards and burn each of every type, which gives you a key to the treasury.
Collect old cards, as the older cards gives a higher share of the treasury.
Stake GAT tokens in order to passively participate on winning of the active players.
Become a shaman and proclaim winners.