Gisela, the Broken Blade
Eldritch Moon — Mythic
Legendary Creature — Angel Horror
Flying, first strike, lifelink
At the beginning of your end step, if you both own and control Gisela, the Broken Blade and a creature named Bruna, the Fading Light, exile them, then meld them into Brisela, Voice of Nightmares.
She now hears only Emrakul's murmurs.