If a spell or ability instructs a player to convert a permanent that isn’t represented by a double-faced token or a double-faced card, nothing happens.
June 6, 2025 · Final Fantasy
If a spell or ability instructs a player to convert a permanent that isn’t represented by a transforming token or a transforming double-faced card, nothing happens.
April 14, 2023 · March of the Machine
If a spell or ability instructs a player to transform a permanent that isn’t represented by a transforming token or a transforming double-faced card, nothing happens.
September 25, 2020 · Zendikar Rising
If a spell or ability instructs a player to transform a permanent that isn’t represented by a transforming double-faced card, nothing happens.
July 3, 2020 · Core Set 2021
If a spell or ability instructs a player to transform a permanent that isn’t represented by a double-faced card, nothing happens.
September 30, 2016 · Kaladesh
rule 701.28c not present in this release
July 17, 2015 · Magic Origins
If a permanent’s ability instructs a player to “monstrosity X,” other abilities of that permanent may also refer to X. The value of X in those abilities is equal to the value of X as that permanent became monstrous.