Brain Gorgers is a common Creature — Zombie card from Planar Chaos (PLC), collector number 65. Current market price: $0.13 (foil $1.06), TCGplayer market prices via Scryfall.
When you cast this spell, any player may sacrifice a creature of their choice. If a player does, counter Brain Gorgers. Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)