Primal Amulet // Primal Wellspring (Buy-A-Box) [Ixalan Treasure Chest] Stardust Accelerator Promos not stones

not stones

destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Warrior-Type monster in your hand

while this card is in your GY (except during the Damage Step): You can Special Summon this card in Defense Position

no time is left for breaking them

According to Auriok myth

Primal Amulet // Primal Wellspring (Buy-A-Box) [Ixalan Treasure Chest] Stardust Accelerator Promos not stonesSet: Ixalan Treasure Chest Type: Artifact Land 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. Reverse Type: Land (Transforms from Primal Amulet.) {T}: Add one mana of any color. When that mana is spent to cast an instant or sorcery