It rock if those two fought Daleks including apSupremes, Commanders, Elite Guard, Scientists, Special Weapons Daleks, Scouts, and Beserkers; and also Davros who made the first Daleks. Obviously Mark 8 ones from And after the Time War. And Mark 2 ones (the sort from The Dalek Invasion of Earth), Mark 4 ones (the grey ones which debuted in Genesis of the Daleks), Mark 5 Daleks (the sort in Death to the Daleks), and Mark 7 ones best known as Imperial Daleks. And also Cybermen including CyberMondans (the ones from The Tenth Planet and Spare Parts), members of the Early Cyber-Faction (the sort from The Invasion and Human Resources), CyberNomads (the ones from Revenge of the Cybermen and The Great Cyber-War), CyberIsomorphs (the sort from Silver Nemesis), members of the Cyber-Legions (the sort from A Good Man Goes to War and The Eternity Clock), Weapons-Grade Cybermen (the sort from Nightmare in Silver), and Cyber-Warriors (the sort which debut in Ascension of the Cybermen). And Sontarans. And Rutans. And the Master in his War form Derek Jacobi), his Saxon form (John Simm), and his spy incarnation Sacha Dhanan). And Rassilon (Timothy Dalton). And it rock if they fought Metal Sonic. And it rock if they fought Predacons including Megartron.
It also rock if they joined forces with the War Doctor (John Hurt), Ace (Sophie Aldred), Sarah Jane Smith, Barbara Wright, some Silurians, some Ice Warriors, some Thals, and prehistoric life including t dinosaurs and Ice Age giants. And also if they fought alongside Maximals including Optimus Primal and some with Ice Age animal modes.