Marshal of the Lost is a uncommon Creature — Orc Warrior card from Tarkir: Dragonstorm (TDM), collector number 207. Current market price: $0.20 (foil $0.28), TCGplayer market prices via Scryfall.
Deathtouch Whenever you attack, target creature gets +X/+X until end of turn, where X is the number of attacking creatures.