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.
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Meld Partner:Bruna, the Fading Light
When Melded, it becomes the following:
Brisela, Voice of Nightmares
Legendary Creature — Eldrazi Angel
Flying, first strike, vigilance, lifelink
Your opponents can't cast spells with converted mana cost 3 or less
