It's a 2 Star rarity, so, just keep trying, you'll get it eventually. I lucked out and got at my first try.
That one, and the frog lick (or wtv it's called) to pull in the target, it's a 4 rare skill, and also got at 1st try.

Tam Tara Deepcroft, however, made 3 runs, and no Mind Blast =x