Tezzeret Betrayer of Flesh

“The first activated ability of an artifact you activate each turn costs 2 less to activate. <br>[+1]: Draw two cards. Then discard two cards unless you discard an artifact card. <br>[-2]: Target artifact becomes an artifact creature. If it isn't a Vehicle, it has base power and toughness 4/4. <br>[-6]: You get an emblem with "Whenever an artifact you control becomes tapped, draw a card."”