This deck is mainly machina focused with a bit of Infinitrack Support. I tossed in a Numeron Engine to give it a small boost.
The main appeal comes from summoning the big XYZ's Monster with the help of cards like Bullet Liner and Derricrane. Flying Pegasus is also an easy way to copy the high ranks of other monsters to net you a nice Superdreadnought combo. I put in some Twintwisters for backrow and to get the Machina Citadel from your hand if its stuck and you have no Fortress on hand. Because I wanted to include the Infinitrack Megaclops, I threw in a Numeron Engine to get it out for free if you have no board (Activate Numeron Wall, Summon Field Spell, Summon the 3 Gate XYZ's and then Megaclops).
The stickiness of Machina Citadell and Fortress gives you good survivability and your beefy XYZ finisher should get the job done. Due to having 3 different Rank 10 XYZ options, the deck is flexible enough to assess any threat.
If you have improvements or ideas, I would be happy to read upon them in the comments.