In high Energy count decks, Engineers Adjustments can be used as a semi-powerful draw engine (allowing the player to draw 4 cards when they discard an Energy from their hand)
$20-$21 shipped from TCGPlayer checking just now, which is
Each month seemingly brings new twists and surprises in cards sold, such as in October 2020 a 1998 Pokmon Japanese Promo Holo Kangaskhan (Family Event Trophy Card #115 PSA 10) was sold on eBay for a record-breaking $150,100
Many players have tried to use Set Boosters for Limited play with it being their only option, but because they're not designed for Limited, it results in significantly substandard Limited play
And yes, its a cast trigger, so even if they have a Counterspell, those cards are yours
So when you go to apply Weakness and/or Resistance, you look at the Pokmon's own Type, not what Energy when to pay for the effect