Gameplay and Story Integration: Since he is ridiculously rich, he has the best access to resources amongst all investigators
Green has had access to this ability for a while, with Guardian ProjectGuardian Project, Primordial SagePrimordial Sage, Zendikar ResurgentZendikar Resurgent, and Beast WhispererBeast Whisperer highlighting the offerings
Pokmon TCG: Mega Evolution Booster Bundle While not an initial Prime Day deal at first glance, the Pokmon TCGs Mega Evolution is almost at its lowest-ever price on Amazon
2019 Pokemon Sun & Moon Unbroken Bonds Secret Reshiram & Charizard #217 BGS Black Label 10 Recently Sold for $4,050 [Source] Heres another great example of the premium achieving a Beckett Black Label can add to a card
Relentless Rats is the original card with the "you may have any number of these" clause on it, and is still probably the most powerful