From the pile of coins, Jack watches the great slab door of the pyramid open back up again.
The child-Doctor backs himself out slowly, wiggling something gold and small in his fingers. The coin perhaps?
“Hey, Doc, what…”
Jack chokes as the mummy comes shambling out, trailing bandages and bringing with it the wonderful unique stench of really old socks and eau de musty tomb.
“Doc, is that what I think it is?”
The child-Doctor grins, but doesn’t take his eyes off the mummy’s gaze as he answers, his feet sure and careful behind him as he backs away to the right of the contracting stone door and sidesteps along the edge of the pyramid, heading toward the water like some kind of deficient ninja.
“Hey there, Jack! Look what I found! I’m leading it to the beach.”
“I’m pretty sure it can hear you, Doctor…” Jack calls, shaking his head as he elbows Grey, whose pockets are bulging with coins.
“Shhh! Don’t let on! It might hear you!” the child-Doctor calls, seeming to forget the mummy entirely as he leaves the line of the pyramid and heads for a bit of dark rock jutting from the sandy soil edging into the water.
His foot touches the sand, and a strange thing happens.
His body wavers, as though a film has been placed over some unseen camera and heated to an untenable degree. Jack has to look away at his brother, who is playing with the coins in his pockets.
When Jack looks back again, the Doctor is a bald man in kohl makeup, crow-like, naked save for a waist-robe of white fabric. He meets Jack’s eyes for a moment, then continues leading the mummy onto the beach.
But Grey tugs on his brother’s coat, shoving his fingers out at the water. The SHARDIS stands shin deep in the flesh sea, her huge and terrible gaze turning slowly toward the Doctor.