Robot Chicken

Whenever this creature dies or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.

Whenever this artifact or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

When this creature enters, return target Equipment card from your graveyard to the battlefield attached to this creature.

Whenever you sacrifice an artifact, put a +1/+1 counter on this creature.

Whenever another artifact is put into a graveyard from the battlefield, this artifact deals 2 damage to that artifact's controller.

Whenever a land is put into a graveyard from the battlefield, this artifact deals 2 damage to that land's controller.

When this artifact is put into a graveyard from the battlefield, draft a card from Masterpiece Vault's spellbook and put it onto the battlefield. When an Equipment enters this way, attach it to up to one target creature you control.

: Sacrifice this artifact.