When you cast this spell, gain control of all creatures target player controls. Flying (This creature can't be blocked except by creatures with flying or reach.), protection from spells and from permanents that were cast this turn (A permanent or player with protection can't be targeted, enchanted, equipped, fortified, damaged or blocked by sources of the given property.) When Emrakul, the World Anew leaves the battlefield, sacrifice all creatures you control. Madness — Pay six (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.).