Collective Brutality is a rare Sorcery card from Eldritch Moon (EMN), collector number 85. Current market price: $0.32 (foil $1.23), TCGplayer market prices via Scryfall.
Escalate—Discard a card. (Pay this cost for each mode chosen beyond the first.) Choose one or more — • Target opponent reveals their hand. You choose an instant or sorcery card from it. That player discards that card. • Target creature gets -2/-2 until end of turn. • Target opponent loses 2 life and you gain 2 life.