Paladin Elizabeth Taggerdy is a rare Legendary Creature — Human Knight card from Fallout (PIP), collector number 114. Current market price: $0.36 (foil $0.80), TCGplayer market prices via Scryfall.
Battalion — Whenever Paladin Elizabeth Taggerdy and at least two other creatures attack, draw a card, then you may put a creature card with mana value X or less from your hand onto the battlefield tapped and attacking, where X is Paladin Elizabeth Taggerdy's power.