Use the danger cards to discard Shaddolls from hand to GY.
Dante for obvious reasons, mill 3 cards to set off Shaddoll plays as well as a 2500 beat stick easily accessible
Go into predaplant to pull superpoly from deck straight into starving venom.
Lava golem to set up for superpoly plays either by anaconda into starving venom or straight to Grysta.
Red blossom to interrupt GY setup and pull back your extra deck resources .
Other than that it's standard Shaddoll play, spam they fusions and play with flips.