No, it actually doesnt. Either you override the quest hero power with galakrond (in wich case, why run quest) or you overrun galakrond hero power with the quest one.
You either go quest or go galakrond but certainly not both, unless you want to meme.
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Amazing if you can play this on 3 to get it rolling, after that its still pretty good but not broken.
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Yeah but this one gives you more info about what they can play at that moment. Going up against mage maybe see a flamestrike, pick it and if you're right you get a copy and know not to fully commit to the board or if its wrong know you can flood the board.