Collective Defiance is a rare Sorcery card from Eldritch Moon (EMN), collector number 123. Current market price: $0.20 (foil $1.14), TCGplayer market prices via Scryfall.
Escalate {1} (Pay this cost for each mode chosen beyond the first.) Choose one or more — • Target player discards all the cards in their hand, then draws that many cards. • Collective Defiance deals 4 damage to target creature. • Collective Defiance deals 3 damage to target opponent or planeswalker.