5 Magneton A Battery That Can Fight Too Maneton has a neat gimmick for an Electric-type Pokemon
A deck built around Eruth, Tormented Prophet can run a quasi-infinite combo with Birgi, God of Storytelling, Underworld Breach, and Burning Inquiry
Although there are no Rock-type Pokemon in the TCG, they are replaced with the Fighting Energy, which groups together Rock, Ground & Fighting types
A deck that focuses on ramping up mana quickly, such as a green ramp deck, would benefit from using Explore as it allows for playing an additional land and drawing a card in the same turn, providing both card advantage and mana acceleration
I haven't looked at the disassembly for the TCG game like I have for Crystal and Emerald, but all the attention and interest hacking this has gotten in the last year has me hopeful
However, some of these benched utility Pokmon are so important that they make the drawback of playing them feel worthwhile throughout a match