The rules for this are mostly identical to the physical card game with players drawing cards, placing Pokemon on the field and attacking the opponent to win
I built my deck to use my cards, not my opponents', but whatever floats your boat
Its a nice win condition for Aetherworks Marvel decks that can help dig to find the card as well as cast the first copy, which doesnt need to be cast from hand
Since you wont have time to draw into all four in most games, its safe to assume that youll need to get 15+ face damage off your first pair of Flares to win
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Tezzeret, Betrayer of Flesh: Tezzeret, Betrayer of Flesh's first ability reduces the cost of the first activated ability of an artifact that you begin to activate each turn
While still not incredible in terms of usability by itself, it serves as a step towards the VMAX form and thus saw some play for a while