1995 dragonite pokemon card - (19) style setup or your main portfolio The Most Iconic Dragonite Cards

For starters, the Moves that Arceus can use will need different Energy types

This video by YouTuber FishMTG explains even more weird interactions for Mutate in Commander

As u/FalloutBoy5000 notes, its not outside the realm of possibility to have at least some of the power 9 in an Arena power cube. While the Power Nine would help power up the MTG Arena cube, they may be too powerful

Dark Salvation is a Sorcery-spell that costs double X generic and one black mana

Heres my version: Everyone loves to get high on freaky metallic space edibles, but metal dudes really like to get jazzed on that brain juice. Hit me up, Wizards