2004-10-04 : If you life total was above 5 at end of turn, then you lose life to make your total 5. If it was less than 5, you gain life to bring it to 5.

2004-10-04 : It sets your life total at the beginning of the end step of every player’s turn, not just your own.

2014-02-01 : Unless some effect explicitly says otherwise, a creature that can’t attack you can still attack a planeswalker you control.