Clockwerk Perfect Machine

Flying, Intimidate, Vigilance, Shroud,
Indestructible

Gets +1/+1 for each artifact you control.

Whenever Clockwerk attacks, destroy target creature and
search your library for an artifact or enchantment and add
it to your hand. Shuffle your library.

When Clockwork Perfect Machine leaves the field, return
up to 5 Clockwork Parts from exile to your library and
shuffle. Draw a card.