Both of them are positively inspirational for arts-and-crafts types
Lastly, why should you use these deck lists and not deck lists youve seen in other places
Each of these monsters have multiple Pendulums and monster effects, which can be divided into four kinds: A Continuous-like Pendulum Effect that generates 1 Spell Counter each time a Spell Card is activated (except "Mighty Master") A self-Summoning Ignition-like Pendulum Effect One or two on-field monster effects A monster effect on floating The general playstyle of the "Endymion" archetype involves accumulating Spell Counters by using Spell Cards (including activating Pendulum Monsters in the Pendulum Zone), using the Pendulum Effects of the "Endymion" monsters to Special Summon themselves and each other, and ending the board with at least an "Endymion, the Mighty Master of Magic", who is a card negate, a high-protection boss monster, and a going-second board-breaker through his card-destroying Pendulum Effect
Collectors are always drawn to gold variants, and with Charizards built-in popularity, it was bound to skyrocket
Closing Thoughts All said, I dont think that adding these kind of cards to your decks and then relying on them is the way to go