Key Colors: Any
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Early builds would use auras like Armadillo Cloak, Rancor, and Runes of the Deus to not only attack for player removal, but inflate their own life totals to protect against decks that were going to win through conventional damage
Though a simple effect, it broke the game by giving any player with a full graveyard a huge amount of card advantage - basically turning the graveyard into an extension of their hand
This opens up a lot of combo potential with either destroying your opponents artifacts or doing unexpected things with your own artifacts. Its going to be easy to grow this elemental cat, potentially infinitely, and its a very unique effect thatll be hard to remove with spot removal
Collectors adore the cards whimsical artwork, Sylveon happily serving treats, which adds personality and story to the card