Here is my 50-card Lightsword Horus Bystial Centur-Ion pile, probably the most chaotic deck I've ever reached Master I with. Very fun to play, I'd say it's a semi-linear deck, you do have some fixed lines to get into the Centur-ion combos, but the mills can change everything and open up plenty of possibilities!
After several iterations of the deck, ranging from 45 to 60 cards, I've settled for this 50-card build, which is decently consistent and has good grind game capabilities. I went for an almost "pure gas" approach, with little non-engine, not only due to space but also you don't want to mill handtraps.
The linked video has some combos so I'm not going to explain everything in here, but the basic idea is that the Lightsworn monsters, with their Synchro capabilities, can easily get you to the Centur-Ion part of the deck without even using your normal summon most of the times, summoning Blazar during your first turn. The Horus can make Zombie Vampire to kick off your plays, and the Bystials are really good in conjunction with both the Lightsworns and the Centur-Ion to make Lvl 10 Synchros and provide extra disruption on top of that.
I hope you enjoy the deck, feel free to leave your ideas and feedback, I always appreciate those! Happy dueling!
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