Inifitrack Train - Swarm / Beatdown / Control

MIxing Infinitrack and Trains.

Derricane + Switchyard = free Lvl 10 Xyz
Combine Infinitrack Xyzes and Trains Xyzes to swarm fast and get Megaclops out then protect it.

Infinitrack Xyzes:
The usual combo is
Harvester -> Dozer -> Roller -> River Stormer Rank 5
Roller creates a soft lock while also letting you destroy enemy monsters easier.
You can rank it up with Outrigger Extension which you should also look to get on the board as soon as possible.
Goliath should also be used granting protection from non-targeting destruction like Mirror Force, Lightning Storm etc.

Lvl 10 Xyzes:
At certain moments you are able to get 3 Lvl 10 monsters out instead of just 2. Like summoning Pegasus and reviving lvl 10 and summoning lvl 10 from hand. You could then use SRGD or Chaos Dyson depending on the situation. 
But Gustav Max is a win-con by itself. Just spawn 2 of it to win and also cards like Heavy Forward can attach itself to Xyzes.

Protection:

Outrigger makes Xyzes untargetable
Goliath makes them indestructible
But it's importnant to protect Outrigger
Outrigger will also allow you to get Infinitrack 7 and 9 with the latter being quite strong

Offense:
Use Road Roller as material and thus opponents' monsters will be locked in Defense Position making them unable to attack. They also lose 1000 Def letting you roll over them.
Clockwork Night is also useful for making the difference your monsters stronger and opponents' monsters weaker, the total is 1000 difference. That way even River Stormer can become oppressive.
If i didn't use Clockwork Night i would put Rivalry of Warlords as you pretty much only use Machines. Clockwork Night is just way better.

Late Game:
You might want Super Dora to protect Megaclops from destruction.