Mox Tantalite - Modern Horizons - 226

Artifact

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.)
{T}: Add one mana of any color.

Mythic · Modern Horizons · #226 (MH1)

Illustrated by Ryan Pancoast