Sakashima's Protege

Sakashima's Protege

Creature - Shapeshifter | Power/Toughness: 3 / 1 (CMC 6)
Flash
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)
You may have Sakashima's Protege enter the battlefield as a copy of any permanent that entered the battlefield this turn.