Goblin Festival is a rare Enchantment card from Urza's Destiny (UDS), collector number 83. Current market price: $0.86 (foil $4.86), TCGplayer market prices via Scryfall.
{2}: This enchantment deals 1 damage to any target. Flip a coin. If you lose the flip, choose one of your opponents. That player gains control of this enchantment.