2015-08-25 : If Bane of Bala Ged attacks a planeswalker, the defending player may exile that planeswalker. Bane of Bala Ged will still be attacking and may be blocked as normal. If it’s not blocked, it won’t deal combat damage.

2015-08-25 : If the defending player controls only one permanent, that permanent will be exiled.

2015-08-25 : The permanents are exiled before blockers are chosen.