Mox Tantalite (SLD-1073) - Secret Lair Drop Etched Foil

Suspend 3—{0} (Rather than cast this card from your hand, pay {0} 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.)
: Add one mana of any color.