What deck did you play and why?
I played Shaddoll HERO Traptrix Cyber Dragon, a kind of 4-way meta mash. I played it because HEROdolls were not hit since last cup and they were clearly best deck and I did pretty well last cup for my standards. Additionally Traptrix added another engine that wouldn't allow me to run out of gas. The general idea was to add a goal for all the HEROdoll advantage, and Traptrix gave them interruption, if my opponent didn't play into the Traptrix stuff, then I could play HEROdolls with extra backrow. Cydra were just a light engine to send off of Shaddoll Fusion for Construct since I heard not abusing Construct was playing the deck wrong but it was mostly useless.
What tech choices did you play?
I mostly picked my tech choices from an article/decklist Mika made on the most impactful side-deck and tech cards for this format, most of the spice is on the side deck, different Trap Holes for different decks. I guess running 3 Myrmelio is kind of a tech, mostly because I didn't want to run the other bad Traptrix.
How did you prepare for the meta, and would you change anything going forward?
I didn't prepare for the meta more than reading the article mentioned above and implementing Traptrix as another way to never lose momentum. I don't think any of the big components of this deck will survive the next banlist, but in retrospect, 1 of the Myrmelio I was running could have been another Shadow Mist so I could play with the HERO part of the deck more often.
How were your matchups?
First game was against an illegal decklist. Second game was Mekk HERO which was really strong. Third game was pure-ish Traptrix, match was fun but since I was playing Traptrix too, I managed to steal Myrmelio and make Sera, game was always in my hand tho. Forth game was Spyral HERO and I got completely and utterly destroyed, Sleeper destroys this deck single handedly, beats over Wynda, pops Construct/Sunriser, immune to Absolute Zero and nobody would summon it to a Sera board. 5th game was against Traptrix Synchro and it was a tug of war, really fun but again was never in a losing position due to my advantage.
In the top 8 I rematched Mekk HERO and got a win via a topdeck war, which this deck seems to be adept at, then I played vs Gem-Knight which were sadly demolished by convinient hand traps, and lastly was defeated by Spyral in a way more interactive duel than I was expecting.
Most of these games I was safety netted by my deck just being strong and my luck being incredibly generous, except for the Spyral games.
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