That adds up fast, and you could even lean into cat synergies if you felt inclined to do so
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)
You can cycle big creatures to have quality fodder, or you can have The Mimeoplasm be a copy of */* creatures that get bigger with more cards in graveyards
Ezrim, Agency Chief gives you two clues and then he has a great ability that lets you sacrifice them to gain one of three keyword abilities
With five Strength, four Willpower and a lore value of two, Rapuzel - Letting Down Her Hair seems to be a high-value card in the mid to late-game
He joins fellow Marvel superhero Spider-Man in Magic: The Gatherings Universes Beyond series