The Doctor Who forums seem to have a group of who believe the Time Lord at the end was actually The Master, and the clip of John Hurt returning to the barn was just Claras presumption it was The Doctor she was talking too. Either way she left the toy soldier with him, and its meant to end up with the Pinks, so there could be a massive f**k off twist somewhere down the line
Also don't think the eye I seen was the Eye of Rassilon no, was just a creepy fucking thing