The biggest downfall is simply a Drannith Magistrate, since the deck plays out of exile
Like most Pokmon cards, the value of Psyduck depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Detective Pikachu)
Sealed OP01 is better treated as a collectible itself unless youre feeling very lucky
Similar to what we saw from the Amber/Ruby deck, cards like Gadget Hackwrench Brilliant Bosun and Baymax Personal Healthcare Companion have abilities that are affected by having a certain classification of the card in play
Key to the City is a good way to draw cards, too, especially if you can tap it and untap it through Artifact shenanigans
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