Sol Talisman is a rare Artifact card from Modern Horizons 2 (MH2), collector number 432. Current market price: $1.44 (foil $1.98), TCGplayer market prices via Scryfall.
Suspend 3—{1} (Rather than cast this card from your hand, pay {1} 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.) {T}: Add {C}{C}.