Uven, Planeswalker

: For as long as Uven, Planeswalker is on the battlefield, you are the only player who can cast artifacts. All players other than you discard their
: hand of all cards that are artifacts when this card enters the battlefield. Exile all artifacts not yours when this card enters the battlefield.
-2: Create a 0/0 colorless construct artifact creature token with "This creature gets +1/+1 for each artifact you control."