Hajar, Loyal Bodyguard is a rare Legendary Creature — Human Soldier card from The Brothers' War Promos (PBRO), collector number 211p. Current market price: $0.81 (foil $1.63), TCGplayer market prices via Scryfall.
Sacrifice Hajar: Legendary creatures you control get +1/+0 and gain indestructible until end of turn.