Jitte is likely better than Scroll but if I was going that route I would want far more things like Dungrove Elder, Thrunn, or Bristling Hydra
The three largest factors on whether or not ADP will fit well into a deck are 1) does the deck already naturally play Double Dragon Energy or Metal Energy, 2) how much will Ultimate Ray help the decks strategy, and 3) how much will Altered Creation GX improve the decks matchup spread
Nethroi, Apex of Death A Rat Colony deck loves graveyard recursion, and Nethroi, Apex of Death brings back a huge swarm all at once
Wigglytuff, much like Raichu, suffers from being in the shadow of its pre-evolution
Extra Don Activating Leader Laws ability loses us 3 Don, which puts us at a disadvantage on the upcoming turns