Joven and Chandler
{2}{R}{R}{R}Legendary Creature — Human Rogue
Whenever an artifact is put into a graveyard from the battlefield, put a number of +1/+1 counters equal to that artifact's mana value on Joven and Chandler. {R}{R}{R}, {T}: Gain control of target artifact until end of turn. Untap it. It gains haste until end of turn.