The spell itself lets you exile cards off the top of your library until you hit one that costs four or more mana
Obviously, they dont have the space to cater to TCG-events, but Im not sure why they wouldnt try to capitalize on graded singles and sealed, seeing how it appears that Costco, Wal-mart, CVS/Walgreens and Target appear to be the current benefactors of the everyone buying and holding modern sealed
Mana Crypt, Mana Vault, Sol Ring, Chalice of the Void, Grafdigger's Cage the list of targets goes on and on
Message from future Jonny: After I wrote this article I went to Nakano Broadway which is just a few minutes outside Shibuya
Being able to play a one drop threat and then sit back on two mana with either a counterspell, a removal spell or one of these flash fliers to bring in should they do nothing feels really good