Jeleva, Nephalia's Scourge (Commander 2013) (OVER-194) - Commander 2013 Oversized Foil

Flying
When Jeleva enters, each player exiles the top X cards of their library, where X is the amount of mana spent to cast Jeleva.
Whenever Jeleva attacks, you may cast an instant or sorcery spell from among cards exiled with Jeleva without paying its mana cost.