Unesh, Criosphinx Sovereign [Hour of Devastation Prerelease Promos]Set: Hour of Devastation Prerelease Promos Type: Legendary Creature Sphinx Rarity: Mythic Cost: {4}{U}{U} Flying Sphinx spells you cast cost {2} less to cast. Whenever Unesh, Criosphinx Sovereign or another Sphinx enters the battlefield under your control, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.