Wow, some of these cards aren't bad. Somewhat happy that Acro Bike is back (not sure how this will effect the meta), but I'm glad that I kept mine from PRC
.
Swampert's ability sounds cool, combine that with Aqua Patch and you should have yourself a decent deck. If you can get multiple going, then you can literally burn through your deck for the resources you need. Brooklet Hill can help as well.
Manetric sounds fun as well (funny thing is that if you get more than one in your opening hand, you can play that down as well). I don't like how you have to be going second though, seems like it is asking for a lot.
Delcatty is okay, but it doesn't sound like it is very versatile and is pretty much a dead card after the ability. You might as well play a Pal Pad just for consistency reasons.
Banette isn't the best card, I don't like the energy cost on the attack and I don't know if the ability is worth playing it. Very similar to Target Whistle (PHF) though, and that saw little play as well (a single copy here and there, but that is about it)
Edit: Just realized this, but Super Boost Energy (ULP) with Swampert sounds a little insane. Not sure how often you'll be able to pull it off, but with that ability, you'd have a high chance I would think.