Inspiring Refrain is a rare Sorcery card from Commander 2021 (C21), collector number 27. Current market price: $0.40, TCGplayer market prices via Scryfall.
Draw two cards. Exile Inspiring Refrain with three time counters on it. Suspend 3—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)