When Archaeomancer dies, Mortuary triggers, putting Archaeomancer on top of your library from your graveyard.
Cast Hit the Mother Lode by paying ({4} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) , exiling Archaeomancer from the top of your library and casting it without paying its mana cost, and creating six tapped Treasure artifact tokens.
When Archaeomancer and the Treasures enter the battlefield, Amulet of Vigor triggers six times and Archaeomancer triggers once.
Resolve all Amulet of Vigor triggers, untapping the Treasures.
Resolve the Archaeomancer trigger, returning Hit the Mother Lode from your graveyard to your hand.
Activate five Treasures by tapping and sacrificing them, adding ({2} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) .