Forsworn Paladin is a rare Creature — Human Knight card from Adventures in the Forgotten Realms (AFR), collector number 375. Current market price: $0.35 (foil $0.52), TCGplayer market prices via Scryfall.
Menace {1}{B}, {T}, Pay 1 life: Create a Treasure token. {2}{B}: Target creature gets +2/+0 until end of turn. If mana from a Treasure was spent to activate this ability, that creature also gains deathtouch until end of turn.