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After Magic R&D chose to adopt a similar format , Modern , for Pro Tour Philadelphia , the Magic R&D team noted that his work on Overextended was a factor in their decision and that they were " very happy to see the outpouring of support for [ Verhey 's ] work and to have this data point of support for a nonrotating format . "
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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