I did it today, it's still possible, but you have to make sure the mana leeches are all at the top of that mound, and even then you can get unlucky that one turns to you just too fast.
I personally found it much harder finding the right spot to click (and keep a view on the leeches as well)
I personally found it much harder finding the right spot to click (and keep a view on the leeches as well)