episode 194: "One Step Ahead - Part 1" Seto Kaiba banishes "X-Head Cannon" due to the effect of "Valkyrie Erste" Tewart, Kevin (May 23, 2011)
Returning to the original and best version of Thalia is a great decision and one that should have a big impact on Standard and Pioneer (it was already legal everywhere else)
Whenever this creature attacks, look at the top six cards of your library
YCS Kansas City, the first major event following that structure decks release, saw it take three spots in the top 32, and the deck became a major force in the meta going forwards, but it struggled to top events like some other GX decks mentioned here
Your opponent can still destroy the Sword itself with any number of artifact destruction abilities, but artifact removal is relatively rare and can be played around easily
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