Every distinct wording since 2010, newest first.
August 7, 2026 · The Hobbit
Each battle has a player designated as its protector.
April 14, 2023 · March of the Machine
A battle can’t be attached to players or permanents, even if it is also an Aura, Equipment, or Fortification. If a battle is somehow attached to a permanent, it becomes unattached. This is a state-based action (see rule 704).