This looping execution transforms your command zone into an infinite engine by leveraging Dargo, the Shipwrecker's remarkably flexible cost-reduction alongside Earthcraft to continually untap your mana source. Viscera Seer acts as the sacrificial outlet that neatly bins Dargo each iteration—allowing you to send him right back to the command zone and recast him for a mere single red mana thanks to the previous sacrifice and the inherent discount. Earthcraft enables any creature to double as a mana-untapping tool, meaning Dargo pulls double duty as both the recurring sacrifice fodder and the creature used to fuel the land-untapping loop.