Creature typal decks like wizards can be found in this color combination, and its a strong artifact color combo as well
Ultimately, the better choice depends on your collecting goals
While this doesn't affect value, it adds personality to the card and can help with identifying which specific printing of a card you have, as different printings sometimes use different Pokedex entries
Eight mana for, at minimum, three 5/5 lifelinking fliers swinging in and three permanents from your graveyard, is an absurd rate
they are sourced from compromised devices and are frequently used for fraud, meaning their IPs are on every retailer's blocklist before you even try them
Serperior's regal design and royal blue shiny color palette are the perfect combination, even if its standard green and white coat doesn't change completely