Historical Rules · 16 June 2023
Rule 701.37a
Official source text from the 16 June 2023 Rules release
Meld is a keyword action that appears in an ability on one card in a meld pair. To meld the two cards in a meld pair, put them onto the battlefield with their back faces up and combined. The resulting permanent is a single object represented by two cards. See rule 712, “Double-Faced Cards.”