MetalTyrannomon

Evolution

MetalTyrannomon is an Ultimate level Digimon that is part of the Metal Empire and is the Virus Attribute. MetalTyrannomon evolves from Tyrannomon and then into Machinedramon in some media. MetalTyrannomon is designed for anti-ground interception.  

Story Arcs

.MetalTyrannomon appeared in the very first episode of Digimon Tamers after Calumon enabled a DarkTyrannomon to digivolve and destroy a Maildramon. 
 Another is also seen as part of Cherubimon's army in Digimon Frontier.

 A MetalTyrannomon was the first digimon captured by Tagiru in Digimon Xros Wars: Young Hunters Leaping through Time. It offered to help against the swarm of Pagumon in the town market, but due to the sheer numbers of the Pagumon, it and Tagiru were forced to retreat.

Other Media

 One also made a quick appearance Digimon Battle of Adventerurs when one tried to Bio-Emerge, but Omnimon made quick work of it.

 As for video games, MetalTyrannomon appears in Digimon World 2, evolving from DarkTyrannomon and Tuskmon. It is one of the few Ultimate levels in the game that do not have a Mega form. It's signature attack is Fire Blast II.

 In Digital Monster D-Project, MetalTyrannomon also appears, evolving from RedVeedramon, and oddly, into Armagemon.

 In Digimon World Dawn/Dusk, MetalTyrannomon digivolves from DarkTyrannomon at level 34 with 5500 Machine Experience. It is also able to DNA digivolve with Megadramon to get Machinedramon.

 In Digimon World ChampionShip, MetalTyrannomon digivolves from DarkTyrannomon, Ankylomon and Tyrannomon. MetalTyrannomon digivolves to Machinedramon with 60 Viral AP, 20 battles with 50% wins, and 2 egg reverts. MetalTyrannomon can be found at the Mecha Plant and Chrome Mines rarely.

 In Digimon Battle Online, MetalTyrannomon is both an enemy and obtainable digimon. MetalTyrannomon appears in the wild as a level 37 in the Time Village West area. It is an Ultimate Card digimon for the Agumon line, and is a Virus Attribute. Both of it's skills are one target. MetalTyrannomon boasts a build of 4121, and it's trait is Iron Wall.