Colorless is not a color.
However, WotC has mentioned that these packs will prioritize the new-to-digital Magic cards, awarding rares from the Standard set only once all Alchemy-specific rares have been collected
Branching Evolution is probably a "win more" kind of card but it still could be worth checking out, at least
Chart shows the price of Arno Dorian [Foil] #139 at the end of each month going back as long as we have tracked the item.
This effect even allows you to go infinite with cards like Exquisite Blood, and since Dina, Soul Steeper is so cheap to cast, it's easily done
The check list is just silly and, like the sleeves, adds another product that is required to purchase (if it isn't freely included in ever booster pack that contains a double faced card, but then again, if they are random like the advice cards/tokens then you may find people buying packs use to get those things)