Battle of Hoover Dam is a rare Enchantment card from Fallout (PIP), collector number 892. Current market price: — (foil $1.91), TCGplayer market prices via Scryfall.
As this enchantment enters, choose NCR or Legion. • NCR — At the beginning of your end step, return target creature card with mana value 3 or less from your graveyard to the battlefield with a finality counter on it. • Legion — Whenever a creature you control dies, put two +1/+1 counters on target creature you control.