What is the fastest way to get the Accelerated Production achievement?

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The only method I've seen out there uses Animist Awakening in turn 2 (must get 1 land) and in turn 3 (must get 2+ lands). Basically, if you don't get 2x Animist, 1x Fog, a 7-mana creature and/or lands after a few mulligans, you had to restart. In another forum, someone said it took them 7 hours:-(
Is there a more reliable solution?
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Accelerated Production EASY Achievement Guide
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