Robobrain War Mind 
Artifact Creature — Robot
Robobrain War Mind's power is equal to the number of cards in your hand.
When this creature enters, you get an amount of 
(energy counters) equal to the number of artifact creatures you control.
Whenever this creature attacks, you may pay . If you do, draw a card.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL