Behemoth of Vault 0 is a uncommon Artifact Creature — Robot card from Fallout (PIP), collector number 127. Current market price: $0.22 (foil $3.88), TCGplayer market prices via Scryfall.
Trample When this creature enters, you get {E}{E}{E}{E} (four energy counters). When this creature dies, you may pay an amount of {E} equal to target nonland permanent's mana value. When you do, destroy that permanent.