Desperate Plea is a rare Sorcery — Lesson card from Avatar: The Last Airbender Eternal (TLE), collector number 185. Current market price: $1.33 (foil $1.46), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, sacrifice a creature. Choose one or both — • Return target creature card from your graveyard to the battlefield if its power is less than or equal to the sacrificed creature's power. • Destroy target creature.