Oracle Changes There are a few cards which are receiving errata to their Oracle text with the release of this set
Notably, if you aren't in a dungeon and an effect instructs you to venture into the dungeon (not venture into Undercity), you can't start Undercity
By returning one Yoshino Fujieda card to your hand at the end of the burst digivolution turn and trashing this Digimons top card, Rosemon: Burst Mode can be unleashed
Mazemind Tome is too passive to be particularly compelling as a maindeck card, as an important part of this deck is to be able to apply pressure from multiple angles and Tome doesn't play very well with that plan
Then you're drawing five cards and your opponent is helping you cast the sixth
You'll want to finish performing the other two dredge/draws of Cathartic Reunion first, meaning you may find Prized Amalgam on the last dredge attempt and those will see the Narcomoeba from the first dredge come into play