Thinking about what is typical in a big Green deck, I would have to say Bouncer's Beatdown would be the best choice for target exile removal for creatures
Part of the joy will be in finding it
They make plenty of money from all of the physical booster packs and product, so if you already buy physical cards regularly, I can see that helping fuel your digital collection selection of cards, but unlike most free-to-play games, youll still have your physical cards that you can collect and trade and do whatever you want with
Your deck will be very permanent-centric because youll want to get the most out of the Panharmonicon effect coming out of the command zone
Previously, copies of this card have fallen somewhat shy, only selling for around $25,000 and $23,000 via PWCC auctions