If a spell or ability instructs a player to transform a permanent, and the face that permanent would transform into is an instant or sorcery face nothing happens.
June 6, 2025 · Final Fantasy
If a spell or ability instructs a player to transform a permanent, and the face that permanent would transform into is represented by an instant or sorcery card face, or is a transforming token that was created with an instant or sorcery face, nothing happens.
July 3, 2020 · Core Set 2021
rule 701.27d not present in this release
April 27, 2018 · Dominaria
If a spell or ability instructs a player to transform a permanent, and the face that permanent would transform into is represented by an instant or sorcery card face, nothing happens.