Thrumming Stone [The List] LGS049 If that mana is spent

If that mana is spent on a creature spell

you may return target artifact card from your graveyard to your hand

Set: Diamond & Pearl: Great Encounters Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: Sun & Moon: Black Star Promos Type: Psychic Rarity: Black Star Promo Retreat cost: Colorless

[LV III] During Either Attack Step

Thrumming Stone [The List] LGS049 If that mana is spentSet: The List Type: Legendary Artifact Rarity: Rare Cost: {5} Spells you cast have ripple 4. (Whenever you cast a spell, you may reveal the top four cards of your library. You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs. Put the rest on the bottom of your library.)