Sunspear Shikari is a common Creature — Cat Soldier card from Scars of Mirrodin (SOM), collector number 23. Current market price: $0.09 (foil $0.32), TCGplayer market prices via Scryfall.
As long as this creature is equipped, it has first strike and lifelink. (It deals combat damage before creatures without first strike. Damage dealt by it also causes you to gain that much life.)