Forum:Witch of the black rose question

If I no controls cards and I set Witch of the black rose (because I don’t want to activate its effect, and then

1)My opponent attack this face down card with a monster who is atk is lower than the def of Witch (and the witch is not destroyed by battle), its effect activates?

2)If my opponent don’t attack, and when is my turn, I flip summon the witch, its effect activates?189.227.10.34 22:30, May 7, 2010 (UTC)