After 9 rounds of contest, there are three 9-0 players, namely Anthony Lee from Australia, Marcus Oh from Singapore, and Mark Lawrence Tubola from the Philippines.
Coincidentally, all three players have chosen to play White-Blue Flash. Each of them had slightly different takes on their main deck, deviating by a handful of cards while maintaining the core of Spell Queller, Selfless Spirit, Reflector Mage, and Archangel Avacyn.
For example, while Tubola's version was very close to the stock list, Lee chose to add black to the deck to support Scrapheap Scounger for attrition and value. On the other side of the spectrum, Oh has decided to move Gideon, Ally of Zendikar to the sideboard to house Gisela, the Broken Blade in the main. And since we're already playing some angels, Bruna, the Fading Light might just be the best tool for games that go longer. Lastly, Thalia, Heretic Cathar is also pretty good in the mirror!
Mark Lawrence Tubola's White-Blue Flash
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Anthony Lee's White-Blue Flash
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Marcus Oh's White-Blue Flash
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