Lilting Refrain is a uncommon Enchantment card from Urza's Saga (USG), collector number 83. Current market price: $0.28, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you may put a verse counter on this enchantment. Sacrifice this enchantment: Counter target spell unless its controller pays {X}, where X is the number of verse counters on this enchantment.