The Master tilted his head. He'd forgotten about the Rift. He'd been intending to see if he could use it as a source of back-up power for his paradox machine. "That sounds quite something," he remarked. "I haven't had an opportunity to really look at the Manipulator in my reality. I'd love to see what your Master proposes for it."
He lifted an eyebrow. "I wish I'd arrived in my TARDIS. A couple of the other versions of you I've met did, and I bet their TARDISes will keep hold of information, even if they forget it the minute they leave."