Goat Format has been extensively revisited and analysed. I personally believe that no card can really be considered a Tech Choice at this point of time now, simply because of how much the format has grown. A card or two may catch you by surprise from time to time, especially for players transiting to playing online, and meet with decks or a larger variety. But I doubt any card will have a significant impact and be effective enough for it to be long-lasting. Any card of that calibre would have been common knowledge by now.
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