Bubble and Shadow How to play

About Bubble and Shadow, from BoardGameGeek:

Bubble and Shadow is a light strategy board game with a literary fantasy theme.The game is mainly centered on the core mechanics of 'I-cut-you-choose,' risk-based trading. In the game, playes will alternately appear as either an emissary of the Magician or a Mortal of the earthly realm, signing pacts with each other and engaging in transactions centered around different prices. Through mutual speculation and probing, you will approach a delicate balance-everything you possess will determine the final outcome.