Tezzeret, Betrayer of Flesh — Kamigawa: Neon Dynasty Promos #84p

The first activated ability of an artifact you activate each turn costs less to activate.

+1: Draw two cards. Then discard two cards unless you discard an artifact card.

−2: Target artifact becomes an artifact creature. If it isn't a Vehicle, it has base power and toughness 4/4.

−6: You get an emblem with "Whenever an artifact you control becomes tapped, draw a card."