Tribunes are there to prevent Camelopards from jumping over pawns on the first turn.
It's hard to tell that, since you haven't yet clarified the Camelopards' move. In fact, I don't see any way that the Tribunes' location can block the move, however I interpret your current description.
It's hard to tell that, since you haven't yet clarified the Camelopards' move. In fact, I don't see any way that the Tribunes' location can block the move, however I interpret your current description.