{Tap}: Add {U} or {R} to your mana pool.
{U}{R}, {Tap}, Sacrifice Izzet Cluestone: Draw a card.

It holds within it an unsolvable riddle. A creative answer yields an invitation to the guild.

• Number: 141
• Rarity: C
• Type: Artifact
• Mana cost: 3
• Color: Artifact
• Artist: Raoul Vitale