One card in each meld pair has an ability that exiles both that object and its counterpart and melds them. To meld the two cards in a meld pair, put them onto the battlefield with their back faces up and combined (see rule 701.42, “Meld”). The resulting permanent is a single object represented by two cards.
April 14, 2023 · March of the Machine
One card in each meld pair has an ability that exiles both that object and its counterpart and melds them. To meld the two cards in a meld pair, put them onto the battlefield with their back faces up and combined (see rule 701.37, “Meld”). The resulting permanent is a single object represented by two cards.
July 23, 2021 · Adventures in the Forgotten Realms
While a double-faced card is outside the game or in a zone other than the battlefield or stack, it has only the characteristics of its front face.
May 3, 2019 · War of the Spark
If a melded permanent is put into its owner’s graveyard or library, that player may arrange the two cards in any order. If it’s put into its owner’s library, that player doesn’t reveal the order.
January 25, 2019 · Ravnica Allegiance
If a melded permanent is put into its owner's graveyard or library, that player may arrange the two cards in any order. If it's put into its owner's library, that player doesn't reveal the order.
July 22, 2016 · Eldritch Moon
If a melded permanent is put into its owner’s graveyard or library, that player may arrange the two cards in any order. If it’s put into its owner’s library, that player doesn’t reveal the order.
April 23, 2010 · Rise of the Eldrazi
rule 712.4a not present in this release
February 1, 2010 · Worldwake
Some effects can bring cards into a game from outside of it. If a card is brought into a subgame from a main game, abilities in the main game that trigger on objects leaving a main-game zone will trigger, but they won't be put onto the stack until the main game resumes.