Batwing Brume is a uncommon Instant card from Archenemy (ARC), collector number 80. Current market price: $7.71, TCGplayer market prices via Scryfall.
Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.)