Wizards of the Coast (WotC) introduced the Alchemy format to MTG Arena in December 2021
Yes, the discard 3 might be a drawback to offset the ridiculous advantage you get, but under most circumstances you can dodge that by, after a Special Summon spree, having this card banish itself during the End Phase to draw 1 last card, or purposely ramming itself into a stronger monster the opponent controls to get another card
It does 30 damage for one Energy and can Poison your opponents Pokemon as well
Unlike most other Futurists who think kami magic is outdated compared to more widely available technology, Tameshi always wanted to study how kami could bridge the mortal and spirit realms
Otherwise, its controller creates a 2/2 white and blue Detective creature token
Winning only half of its matches against multiple decks in the format it is exceedingly unfavored against normally would never be a cause for banning again