Odric, Lunarch Marshal is a rare Legendary Creature — Human Soldier card from Shadows over Innistrad (SOI), collector number 31. Current market price: $0.56 (foil $3.31), TCGplayer market prices via Scryfall.
At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance.