Primal Amulet // Primal Wellspring (Prerelease) [Ixalan Prerelease Promos]

Set: Ixalan Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} Instant and sorcery spells you cast cost {1} less to cast.Whenever you cast an instant or sorcery spell, put a charge counter on Primal Amulet. Then if there are four or more charge counters on it, you may remove those counters and transform it.