The Timeline where the Cybermen Conquered Humanity before the 22nd Century.

The Cybermen Controlling the Klingon D-7 Class Starships watched as the 22nd Century Andorians tried to defend themselves.

The Valeyard watched the future of the Primary Paradox Timeline where the Cybermen invaded the 21st Century from the Dalek Time War and wiped out the Humans before they sided with the Time Lords against the Daleks.

The Paradox Timeline then attacked the Normal Timeline causing chaos as the United Federation of Planets found thousands of their own Starfleet Starships under Cybermen Control attacking them.

The Starfleet Captains panicked as the Cybermen Commandeered Starbases and the Cybermen started hunting them down for the Daleks.

The Valeyard needed to enter the Primary Paradox Timeline to slow down the Cybermen Invasion into his Timeline where the Planet Gallifrey fell to the Borg Collective and the Time Lords scattered in terror leaving the Milky Way Galaxy defenseless without them to watch over it.

The Timeline where the Time Lords abandoned the Planet Gallifrey to save themselves from the Borg Collective.

After Lord President Rassilon vanished, the Time Lords wandered across history hiding from the Daleks until the Valeyard was called to be their new leader before nobody else wanted to lead the doomed warfare against the Daleks when they had a scapegoat to do it for them.

The Valeyard quickly realized the Time Lords needed someone to clean up their own mistakes done during the Time War against the Daleks and help the Gallifreyan Civilization rebuild itself.

Unwilling to watch Galactic History fall apart around him because the Time Lords being homeless nomads, the Valeyard agreed to take leadership of the Time Lords knowing that once Rassilon returned, the Time Lords would be forced into Civil War when Rassilon's Doomsday Plans for the Time Vortex became clear to everyone.

That was why the Valeyard ended up backtracking the Cybermen Time Travel Movements across the Paradox Timelines to discover the Cybermen only controlled two of the 30 Paradox Timelines that they created for themselves.

Annoyed at the Cybermen Creating the Timeline Maze that the Human Time Agents keep falling into and the added fact of Humanity's Starfleet Federation being invaded by the Cybermen while the Time Lords are defenseless made the Valeyard enter the Paradox Maze hopeful to save the universe from the Cybermen before the Time Lords became the next targets.

The Timeline where the 3rd Doctor and the 10th Doctor are working together against the Cybermen.

"Planetary Temporal Shift Completed...where are we?" The Master asked the 10th Doctor.

"18th Century Earth Era, our Planetary Atmosphere is falling apart...I can fix this(Alarms go off everywhere)I really can fix this problem(The 3rd Doctor and the 10th Doctor start typing on the Computers together like crazy)we need Planetary Atmosphere Shielding before everyone runs out of air...problem solved...our Spacial Location on the other hand is disastrous... we are falling into the Baby Black Hole nearby." The 10th Doctor rambles while working his controls.

"Why would you time travel our planet into the path of this Black Hole?" Colonel Rose Tyler demanded alarmed at what was happening.

"Our TARDIS Navigational Computers were never designed to pull planets across history, we are doing our best to save your Human Colony from the Cybermen as it is without them following us here, the Black Hole was not expected to be here and basically we are flying blind because of it." The 3rd Doctor responded as the 10th Doctor worked with the Master to rescue them from the Black Hole.