The card's rarity is twofold: It's printed on the newly introduced Cosmos Holo, and it's one of very few non-ghost type Pokmon in the set
April O'Neil, Hacktivist (Showcase Fracture Foil) A four-cost 1/5, April ONeil, Hactivist lets you draw extra cards for each card type among spells cast that turn in your end step
Duress I card I associate both with old school formats like extended but also a card suitably balanced that it has seen countless reprints making it modern playable and periodically a standard card too
For other SIRs, there's no urgency on price
Naturally, its up to you and your allies to find out whats happening and put a stop to it once and for all
My Verdict: Eldlich the Golden Lord shines as the centerpiece of his own archetype, but his ease of use makes him a good candidate for other decks as well