Torch Song is a uncommon Enchantment card from Urza's Saga (USG), collector number 222. Current market price: $0.22, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you may put a verse counter on this enchantment. {2}{R}, Sacrifice this enchantment: It deals X damage to any target, where X is the number of verse counters on this enchantment.