709.5f
Some spells and abilities instruct a player to “unlock” half of a permanent. To unlock half of a permanent, a player chooses a locked half of that permanent, and that permanent is given the appropriate unlocked designation.
Some spells and abilities instruct a player to “unlock” half of a permanent. To unlock half of a permanent, a player chooses a locked half of that permanent, and that permanent is given the appropriate unlocked designation.