This was the most exciting thing in the Draft Boosters, so we couldn't get rid of that
Because Ukkima wants to enter and leave the battlefield we have a number of ways to flicker creatures with cards like Planar Incision and Teferis Time Twist or scam creatures with cards like Feign Death and Undying Malice, and we can use those on Deepglow Skate as well
Creature - Human Expand the Sphere Look at the top six cards of your library
This being said, for our purposes today, it doesn't really matter too much how a card was bought out or why it spiked in price because whether it's players or speculators, finance-driven or play-driven, the underlying mechanics of a buyout and price spike are more or less the same
I dont expect any of these to matter in competitive Constructed formats, so they really come down to how useful they are in Draft, Sealed, and EDH