The numbering on Palkia-O and Oshawott seems pretty weird. Shouldn't Palkia-O be first before Oshawott since it was #484? Anyways...
Rowlet/Dartrix/H.Decidueye - too slow, yet interesting nonetheless. If you run the V-immune Decidueye (although Miltank exists, and it is 151x better), you can tech in this Decidueye. 2/2/3-4
Cyndaquil/Quilava/H.Typhlosion - meh. 2/2/3-4
Oshawott/Dewott/H.Samurott - It's Swampert, but not as good as Swampert. 2/2/3-4
Magnemite/Magneton/Magnezone - let's get this thing out of the way, it's not good, not even a replacement for Bronzong. Heck, Bronzong isn't a legit Energy Acceleration card since it moves M energy around the board. It is also a Stage 2, and it's very unreliable since you expect 1-3 energy per Magnezone's ability. It only caters Pokemon with cheap yet strong attacks. 2/2/4
Shieldon/Bastiodon - stop trying yourself hard, Bastiodon. You know it won't work on a meta rn. You only good in Pokemon GO. 2/2
Cranidos/Rampardos - suck nuggets, the opponent can easily manipulate it. Although, its nice to see Unidentified Fossil back. 2/3
Dialga-O V/VSTAR - Without Choice Belt, it took 5 energy to even OHKO a simple Pokemon V, which is a lot, and ain't worth it in the long run. Although I like the VSTAR Power, since Dialga-GX saw relevance with that effect. 2/4
Palkia-O V/VSTAR - This one, I am on board with that. For same energy as Suicune V, It can KO any Pokemon V and weak VSTARs. I don't count Choice Belt and Inteleon, obv. since not all the time you rely much on Choice Belt and Inteleon. For VSTAR Power, I am on board! 4/4-5 Defenitely better than Ice Caly since it hit much than Ice Caly on the same attack cost, and 1 less prize liability.
Adaman - Zacian decks. 3
Irida - Water Korrina, will see play. 5 Geodudes.