Mox Tantalite [Modern Horizons] Fire [x2] you may cast that card

you may cast that card face down as a 2/2 creature spell without paying its mana cost

T: Add G or U

Set: EX: Emerald Type: Colorless Rarity: Promo Retreat cost: Colorless

the Dark Master enters the battlefield

Set: Diamond & Pearl: Black Star Promos Type: Colorless Rarity: Promo Retreat cost: Colorless

Mox Tantalite [Modern Horizons] Fire [x2] you may cast that cardSet: Modern Horizons Type: Artifact Rarity: Mythic 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, cast it without paying its mana cost.) {T}: Add one mana of any color.