If you attack with a face-down Survivor that your opponent doesn't think is a threat you can turn it face-up afterwards for the benefits
It's still unlikely for players to achieve the automatic victory, but it's certainly not an impossible nightmare anymore
From the ultimate Sword & Shield block expansion, Crown Zenith
The Sword and Shield set with the most valuable cards is Evolving Skies , notorious for its extremely low pull rates
As of the time this guide was written, the game was operating on the January 2015 banlist, which can be found here: This guide will teach you tricks to improve your deckbuilding, dueling, get past the Story mode with ease (Note: We'll only be using User decks for this since after you already know how to duel, the story mode decks' success are essentially dice rolls since you have to get lucky to win some duels), and finally a Trophy Guide for any perfectionists and master duelists out there
But it hasn't been prevalent in either for a good long while