(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.

1U: Level 2

When this Class becomes level 2, return up to two target artifact cards from your graveyard to your hand.

4U: Level 3

At 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.