Gerrard Capashen is a rare Legendary Creature — Human Soldier card from Duel Decks: Phyrexia vs. the Coalition (DDE), collector number 46. Current market price: $0.44, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you gain 1 life for each card in target opponent's hand. {3}{W}: Tap target creature. Activate only if Gerrard Capashen is attacking.