When I first built Feldon, it had a Goblin and artifact sub-theme since there are a lot of Goblins that have special abilities, including those that relate to artifacts, and the copy that Feldon makes is an artifact (cards such as Goblin Welder and Goblin Trashmaster, for example)
If you're a huge fan of these adorable Pocket Monsters (a.k.a., a Pokemaniac at heart), make sure to check Toynk out
In fact, Scrooge McDuck is prominently featured on one of the two starter decks being released for this chapter
Most devils have some sort of effect that deals additional damage, often upon entering or leaving the battlefield
Zirda, the Dawnwaker demands every card in your deck have an activated ability
Cartoony, and I think Ive found a new pet card