Lost Jitte Magic formats that dont have access to Umezawa's Jitte like Modern can use Lost Jitte as a different value source for decks like Eldrazi Tron that may value the repeatable untap ability
Then with some extra untappers, like Vizier of Tumbling Sands, you can untap Ioreth and repeat the process as many times as you can turn her sideways
These special cards can appear in all boosters, and Id expect these to be really valuable due to the popularity of EDH
In their sneak peek video, Ichikawa revealed that the partnership will include characters from the first Final Fantasy to the recently released Final Fantasy XVI
With the new world order pushing the power level of creatures, planeswalkers, and threats in general so hard in the last five years, getting ahead on mana and on the board is critically important, and not much does that better than a turn one mana creature
He can defend himself, isnt terribly over-costed, and lets you ramp into end-game creature options