Robobrain War Mind is a uncommon Artifact Creature — Robot card from Fallout (PIP), collector number 38. Current market price: $0.26 (foil $1.52), TCGplayer market prices via Scryfall.
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.