They don't all have to be creatures, you can use treasure or food as well
Being able to give you mana to cast more creatures, as well as Prismatic Ending, since its an X spell, gives it a unique edge
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This includes the Holographic Blastoise #2 with an estimated value of about $20,000, the Holographic Chansey #3 worth close to $40,000, and the Holographic Charizard #4 at a whopping $205,000
Add in the Treasure aspect - itself a newly pushed mechanic with some fun uses - and how that ties into Black cards like Revel in Riches, and you've got a recipe for a really sweet commander
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) Whenever this Vehicle deals combat damage to a player, that player discards a card