Glimpse the Unthinkable
Glimpse the Unthinkable RAV
Ravnica City of Guilds Rare 
Cost: Mana UMana B
CMC: 2
Card Type: Sorcery
Oracle Text: Target player puts the top ten cards from his or her library into his or her graveyard.
Flavor Text: "I am confident that if anyone actually penetrates our facades, even the most perceptive would still be fundamentally unprepared for the truth of House Dimir."