Heroes Remembered is a rare Sorcery card from Planar Chaos (PLC), collector number 7. Current market price: $1.53 (foil $7.68), TCGplayer market prices via Scryfall.
You gain 20 life. Suspend 10—{W} (Rather than cast this card from your hand, you may pay {W} and exile it with ten 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.)