Card Text 2 [Inherited Effect] [All Turns] When this Digimon would leave the battle area other than by one of your effects, from this Digimon's digivolution cards, return 1 Digimon card to the hand and place 1 [X Antibody] on top of your security stack
And dont forget that you also produce a seven-power flyer for seven manawhich is fairly uncommon

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The main change I would give for the build is that playing 60 is unnecessary
After you Cascade a couple of times, the bottom of your deck will have lots of lands you need
The special feature of this deck is the repetition of building up digivolution cards, trashing them to activate and other effects, and then replenish the digivolution cards to create the powerful Pyramidimon to battle with