Brood Keeper is a uncommon Creature — Human Shaman card from Magic 2015 (M15), collector number 132. Current market price: $0.15 (foil $0.55), TCGplayer market prices via Scryfall.
Whenever an Aura becomes attached to this creature, create a 2/2 red Dragon creature token with flying. It has "{R}: This creature gets +1/+0 until end of turn."