While none of the competitive success has to do with it being a dinosaur, you could undoubtedly satisfy the companion requirement with a dino build since they have a naturally high mana value for the most part
If you want to get obnoxious, Raff plays well with Rule of Law effects like Arcane Laboratory and Deafening Silence since you can always play your spells on your opponents turns for four spells a turn cycle while theyll often be stuck at one, maybe two
Removing Energy from opposing Pokmon or preventing Energy attachment can slow down your opponent's progress, buying you time to set up your board
Plus, a well-timed counterspell will stop it from becoming a problem in the first place
You miss so many payoffs that I question if its worth the attempt to stitch together artifact payoffs and colorless eldrazi payoffs
If Alisaie Leveilleur and Alphinaud Leveilleur are your commanders, your deck may contain cards with white and/or blue in their color identity, but not black, red, or green