This clever loop turns your graveyard into a revolving door by leveraging Mortuary to intercept creatures as they hit the dirt, placing them right back onto the top of your library instead of letting them stay dead. Viscera Seer acts as the engine, providing a free and repeatable sacrifice outlet that triggers the whole setup while letting you dig deeper with its built-in scry ability. Meanwhile, Overgrowth Elemental watches the carnage from the sidelines, capitalizing on the constant stream of dying creatures to quietly trigger your lifegain. Finally, Gwenom, Remorseless breaks open the top of your library, allowing you to recast the sacrificed Seer over and over again for a mere payment of life instead of its normal mana cost.