Firemind's Foresight
Instant
Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle.
Printings & Conditions (3)
Commander 2015 (C15)(Commander 2015)#218Rare
Duel Decks: Mind vs. Might (DDS)(Duel Decks: Mind vs Might)#21Rare
Return to Ravnica (RTR)(Return to Ravnica)#162Rare