Thrumming Stone [The List] Troll Set: The List Type: Artifact

Set: The List Type: Artifact Creature — Golem Rarity: Rare Cost: {11} Affinity for artifacts (This spell costs {1} less to cast for each artifact you control

And as he sat

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one color word with another

"The foot stone is connected to the ankle stone

Thrumming Stone [The List] Troll Set: The List Type: ArtifactSet: 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.)