Sol Talisman is a rare Artifact card from Modern Horizons 2 Promos (PMH2), collector number 236s. Current market price: — (foil $3.25), 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}.