Hatch a Digi-Egg into the Breeding Area to start the line — this puts Gate of Deadly Sins in play as the engine the whole deck revolves around.
Start of Your Main Phase — Place the top card of your Digi-Egg deck as this Digimon's bottom digivolution card and delete all of your Digimon. If this effect deleted, place 1 card with the trait from your trash as this Digimon's bottom digivolution card.
End of Opponent's Turn — By deleting this Digimon with 7 or more cards with different names in its digivolution cards, you may play 1 from your trash without paying the cost.
Gate of Deadly Sins quietly buries Demon Lord cards into the trash each turn — that trash pile is the fuel for everything later, so we want it deep before the payoff turn.
Pass memory · end of turn — hand the turn over so the opponent has to spend memory while we set up.