Historical Rules · 1 June 2020
Rule 712.1a
Official source text from the 1 June 2020 Rules release
There are three specific meld pairs. Each meld pair consists of two specific cards whose back faces combine to form one oversized Magic card face: Midnight Scavengers and Graf Rats meld to form Chittering Host; Hanweir Garrison and Hanweir Battlements meld to form Hanweir, the Writhing Township; and Bruna, the Fading Light and Gisela, the Broken Blade meld to form Brisela, Voice of Nightmares.