If you are going second, or know your opponent will play an Evasive character turn one, follow up with Minnie Mouse Ghost Hunter to give Nick Alert to take most one-cost characters out, or at least make them think twice about questing
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But there are tasks based on knocking out Pokmon using a Metal-type Pokmon, so sticking to Metal is best, and probably fastest, too
As for how to break through, the only solutions are to hunt with Super Polymerizationwithout allowing a chain, or shoot Burial from a Different Dimensionat the evacuation destination and bury him in his GY
It depends heavily on the set and which specific cards land, but God Packs are almost always worth significantly more than a standard pack, often by several hundred to thousands of dollars