What makes Giovanni a much better card than other power-boosting Supporters, such as Blaine, is that it can be used on any Pokemon
Mew VMAX quickly rose to power in the competitive scene and became one of the mightiest decks to face off during a competitive tournament thanks to its incredible speed and power
That explains why typal decks are always among the strongest creature decks you can build for any format
First Edition Shining Charizard One of the coolest Charizard cards ever printed, Shining Charizard from 2000's Neo Destiny set features a black shiny 'zard, with a foil treatment making the Pokmon literally 'shine'
Both existed fairly well as they dont explicitly overlap, but Gitrog was just more popular and slowly Mazirek simply became a fixture of its deck
Specifically, Goldspan Dragon and/or Korvold, Fae-Cursed King