I think that Ancestral Knowledge does this better
Seven mana Raven's Crime is pretty much the nut low for discard, even if it is exile and even if you can do it every turn
He converted most of Mobius into factories, turned its denizens into robots, and even blew up most of the moon
Sacrifice them at the beginning of the next end step.) During your end step, Warrior tokens you control have "This token can't be sacrificed." During your end step, Warrior tokens you control have "This token can't be sacrificed." Legendary Creature - Warrior Orc Commander (CTRL to add secondary) Artifact Mardu Monument When this artifact enters, search your library for a basic Mountain, Plains, or Swamp card, reveal it, put it into your hand, then shuffle
If there's a cost to attack, its controller doesn't have to pay that cost, and if he or she doesn't, the creature doesn't have to attack