He's mostly used for ramp and spot removal, but hitting his ultimate will win games too
(Previously, that card needed to have both the same name and the same art as a card that already exists on MTG Arena)
All this on a one-mana piece of equipment makes it an incredibly efficient way to deal tons of damage
We already play Firebrand Archer in EDH decks that buff damage, and some of those commanders are recent, like Ojer Axonil, Deepest Might / Temple of Power, Ob Nixilis, Captive Kingpin, Urabrask / The Great Work, Taii Wakeen, Perfect Shot, Judith, Carnage Connoisseur, and Imodane, the Pyrohammer
The printing process is so advanced today that a fake card can pass off easily as a real one