Here's a solution that might actualyl work.
Play 2 Cultists
Counterfeit-Counterfeit-Counterfeit-Platinum-Platinum-Gold
Buy Graverobber
Buy Ambassador
Buy Bonfire trashing a Cultist, drawing Graverobber and Ambassador
Buy Villa
Play Villa
Play Graverobber to gain the Gold from the trash.
Buy another bonfire, trashing the second Cultist and the Villa, drawing the Gold
Play Villa
Ambassador the Gold (oppoents moat)
Buy Bonfire to trash Villa + Ambassador
Buy Gold.