Battle of The Philippine Sea

Encounter—(When it enters the battlefield, copy this battle. You defend the copy. When one copy is defeated, remove the other from the game.)
Creatures the defending player controls attack this battle each turn if able. Creatures not able to attack must crew vehicles if able.
If this battle is not a token, creatures the defending player controls get -1/-2.
The copy of this battle starts with 7 defensive counters.