Falling Timber is a common Instant card from Planeshift (PLS), collector number 79. Current market price: $0.18 (foil $0.62), TCGplayer market prices via Scryfall.
Kicker—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell.) Prevent all combat damage target creature would deal this turn. If this spell was kicked, prevent all combat damage another target creature would deal this turn.