"The way of an eagle in the air; the way of a serpent upon a rock; [...]
Or would it be a mesoamerica-based game... after all, Quetzacoatl is the feathered-serpent... and the eagle and the serpent of the Mexico coat of arms is derived from aztec mythology of the foundation of Tenochtitlan.
Far-fetched ? ... well Kallocain said it was