Even for Secret Lair, this collection of drops is a departure from an already chaotic norm for Magic
Right now, the average value of the original printings of the set's 121 foils is $17.60 (the median value isn't quite as high but is still impressive, at $11), which means if these prices hold once the set is released next week (which they certainly won't), just the 24 foils you open in a box would add $423 to the box's expected value
Set boosters are the go-to for players who love to open boosters just for the fun of seeing what they'll get
The main difference between this one and the regular scheme is that the ongoing scheme stays in the command zone until a certain condition makes you abandon that scheme
Still, if you want a bounce spell, you could do much worse than having the other three abilities attached to it, especially if your deck cares about the top deck manipulation from a repeatable Brainstorm