Measure of Wickedness is a uncommon Enchantment card from Saviors of Kamigawa (SOK), collector number 82. Current market price: $0.30 (foil $0.97), TCGplayer market prices via Scryfall.
At the beginning of your end step, sacrifice this enchantment and you lose 8 life. Whenever another card is put into your graveyard from anywhere, target opponent gains control of this enchantment.