Volrath's Curse is a common Enchantment — Aura card from Tempest (TMP), collector number 101. Current market price: $0.18, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated. That creature's controller may sacrifice a permanent of their choice for that player to ignore this effect until end of turn. {1}{U}: Return this Aura to its owner's hand.