"Not you, in particular, but you, me, whichever version he knows." The Doctor sighed, closing his eyes a moment. "This place needs a whole new vocabulary, and that's headache-inducing enough without Mr. I'm An Evil Genius running around loose." He raised an eyebrow at the other Doctor. "And if I say I'd rather let Jack or the alternate versions of the Master deal with the prat, and not you, if my methods fail to succeed?"