Sakashima's Protege (Extended Art) RNA Whenever Slagstone Refinery or another

Whenever Slagstone Refinery or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield

reveal cards from the top of your library until you reveal a nonland permanent card

We must ensure we survive to return to it

You draw a card

inner strength must carry the day

Sakashima's Protege (Extended Art) RNA Whenever Slagstone Refinery or anotherCreature Shapeshifter 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 Sakashimas Protege enter the battlefield as a copy of any permanent that entered the battlefield this turn.