Mogis's Marauder is a uncommon Creature — Human Berserker card from Theros (THS), collector number 97. Current market price: $0.29 (foil $0.59), TCGplayer market prices via Scryfall.
When this creature enters, up to X target creatures each gain intimidate and haste until end of turn, where X is your devotion to black. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it. Each {B} in the mana costs of permanents you control counts toward your devotion to black.)