Primal Amulet // Primal Wellspring [Ixalan Prerelease Promos] Shadows over Innistrad Prerelease Promos put them onto the battlefield

put them onto the battlefield tapped

if Clockwork Avian attacked or blocked this combat

I'd have told you what it was

Undergrowth — When you cast this spell

Primal Amulet // Primal Wellspring [Ixalan Prerelease Promos] Shadows over Innistrad Prerelease Promos put them onto the battlefieldSet: Ixalan Prerelease Promos 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