Swiftblade Vindicator is a rare Creature — Human Soldier card from Guilds of Ravnica (GRN), collector number 203. Current market price: $0.28 (foil $0.81), TCGplayer market prices via Scryfall.
Double strike (This creature deals both first-strike and regular combat damage.) Vigilance (Attacking doesn't cause this creature to tap.) Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)