Worlds only has some more regular formats, but is still made up of the best of the best
Cultivate is probably better blind that Far Wanderings, but if we hit Threshold Far Wanderings is better
When you're sad to use a card to make a fair trade that's often the sign you are on to something, and it would be interesting to see how popular a three-mana version would be if it could hit players
(Oh and, this list is in no particular order, even with the technicalities of the last entry) Zack Fair Series: Final Fantasy VII Spoiler Level: Very High (you are basically spoiled already just by reading his name, sorry) Intentional placement of this card as the first entry aside, reading the cards text immediately brings me memories of that final last stand near Midgar
Demonic Tutor Need the exact card to win, answer something, or start a combo
Im always willing to bend or break these rules for the sake of including a beloved pet card or to make the cube a stronger whole, but these are the general concepts that have driven the design of this cube Accessibility and Simplicity Most of my Magic-playing friends are not hardcore fans