At the beginning of your upkeep, investigate. (Put a colorless Clue artifact token onto the battlefield with "{2}, Sacrifice this artifact: Draw a card.")
{Tap}, Sacrifice three Clues: Search your library for a card and put that card into your hand. Then shuffle your library.

• Number: 265*PR
• Rarity: P
• Type: Legendary Artifact
• Mana cost: 5
• Color: Colorless
• Artist: Chase Stone