Lilting Refrain

Set: Urza's Saga (#83)

Rarity: Uncommon

Type: Enchantment

Mana Cost: {1}{U}

Colors: Blue

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.