There were even powerful cards that cared about your graveyard introduced into Standard through Dominaria and Core 2019 like Whisper, Blood Liturgist, Isareth the Awakener, and Muldrotha, the Gravetide (all of which deserve a second look in Standard in the new meta, but that's another article)
Animar reduces the cost of your mutate creatures, and makes it particularly easy to swing in for huge commander damage
UB can play off the same strong commons and uncommons as UR does, and it has some great expensive spells to pair them with like Sephiroth's Intervention, Ice Magic, Dreams of Laguna (flashback), and Sidequest: Hunt the Mark
Borderlands Viewport Lands If the regular versions of the shock lands and the planets count among EOEs most expensive cards, imagine the same card in this gorgeous, futuristic viewport treatment
Resource Advantage : Card draw means more resources, and in MTG, resources equate to power
Within discussions around the top Pokemon cards, figures like Mewtwo and Giratina continue to represent power and mystery, which resonates strongly with collectors