Mythic rare cards have symbols with a color scheme incredibly close to Dash0s logo, which we of course decided to interpret as predestination, rather than lucky coincidence
You can also buy Collector Boosters, which cost a lot more but come with more rares, include more full art cards, and have the chance of pulling dope cards like the anime art cards
any guidelines I can offer might need to be adjusted or completely scrapped under certain circumstances
Japanese high-class Pokmon sets are known for strong pull structures and consistent rarity distribution
March of the Machine: The Aftermath also benefited from being a Standard-legal set featuring unique cards like Nissa, Resurgent Animist, but Assasin's Creed is primarily built towards Commander and Modern playability
You can counteract this to an extent by including multicolored land cards, but these usually enter tapped, slowing down your deck