Superheavy Samurai Master Duel deck trying to OTK your opponent with Superheavy Samurai Steam Train King. A going second deck focused on making Steam Train, equipping it with either Soulhorns or using Soulbuster Gauntlets.
You're getting to Steam Train from either the following:
1) Jizukiru an opponent's monster > Normal Summon Battleball > Battleball effect.
2) Soulpiercer or a Monster equipped with Soulpiercer > Link Summon Scarecrow > Search Soulpeacemaker with Soulpiercer effect > Scarecrow effect bringing back Soulpiercer > Equip Soulpeacmaker to Scarecrow > Soulpeacemaker effect to Special Summon Fist > Synchro Summon Shutendoji > Search Big Waraji with Soulpiercer effect > Special Summon Big Waraji > Fist's grave effect to resummon and make Shutendoji Level 5 > Synchro all three into Steam Train
https://www.youtube.com/watch?v=s5VRjZXs0XY