Does Machines

(Gain the next level as a sorcery to add its ability.)When this Class enters, mill two cards, draw two cards, then discard two cards.{1}{U}: Level 2When this Class becomes level 2, return up to two target artifact cards from your graveyard to your hand.{4}{U}: Level 3At the beginning of combat on your turn, put three +1/+1 counters on target artifact you control. If it isn't a creature, it becomes a 0/0 Robot creature in addition to its other types.