Gandalf, Istari

Flash, Ward 10, Vigilance.
This spell can t be countered.
When you cast Gandalf, Istari, you main search any library, graveyard or hand for a card named Cyclonic Rift, Path to Exile, Supreme Verdict, Disenchant, Approach of the Second Sun, Settle the Wreckage or Time Warp. You may cast it without playing its mana cost, then put it on the bottom of its owner.