CardName: Sihedron Circle Cost: Type: Land Pow/Tgh: / Rules Text: {T}: Add {1} to your mana pool. {7}, Sacrifice Sihedron Circle: Search your library for an artifact card with converted mana cost seven or less and put it onto the battlefield. Flavour Text: "Each stone the grace of seven lords, One part of key each ruler hoards; If offered spells and proper prayer; Take seven keys and climb the stair." -The Scribbler's Rhyme Set/Rarity: Rise of the Runelords Rare