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 {E} (energy counters) equal to the number of artifact creatures you control.
Whenever this creature attacks, you may pay {E}{E}{E}. If you do, draw a card.
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Cards that do something similar expected a card that isn't here?
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