Then look for which two piles have the most rares and mythics between them (or just the cards you want to play the most), and set the others aside
Value is a mix of scarcity and demand, not scarcity alone
From my initial predictions, I was also able to predict Sephiroth having something like a wrath mechanic , which Sephiroth, Planet's Heir kind of does by debuffing all your opponents' creatures, potentially wiping out large swaths of weak token creatures
Then exile it.) "Flashback [cost]" means "You may cast this card from your graveyard if the resulting spell is an instant or sorcery spell by paying [cost] rather than paying its mana cost" and "If the flashback cost was paid, exile this card instead of putting it anywhere else any time it would leave the stack." You must still follow any timing restrictions and permissions, including those based on the card's type
Another One Heres where it gets fun
8 Fabled Booster Packs Each pack contains 12 cards, including rare and shiny ones