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Heck, in the right metagames, you could totally run this bad boy maindeck, disrupting: Emrakul, the Aeons Torn in a Nahiri, the Harbinger deck Lightning Storm in an Ad Nauseam / Angels Grace deck Valakut, the Molten Pinnacle in a Scapeshift deck with even just a little time Its probably not a major change to the format or anything, but I generally like that it promotes one of the fringe strategies, giving them another tool for fighting against unfair decks
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Eventually, Wizards of the Coast noticed the popularity of EDH and began printing official decks for the format, complete with new cards specifically created for it