The prompt in ChatGPT was simple: "Tell me something creative to invest in, something most people wouldn't consider." It started its answer with a disclaimer: "This is by no means financial advice." After that, the AI thought for a moment and then confidently told me to buy trading cards, specifically Pokmon cards
Leonin Warleader is also a nice addition to lifegain decks, not only because its tokens have lifelink, but getting two extra bodies each turn triggers things like Soul Warden
Crypt Incursion Crypt Incursion can be dicey since it relies on your opponents having creatures in the graveyard, but you only need to hit three or four creatures for this black instant to be a worthwhile investment, plus you get some incidental graveyard hate
Death Tyrant Reporting for duty in those forced combat decks I mentioned earlier
Some cards are able to hit harder while others can create some interesting tech to give your deck some extra options each turn
GSM (grams per square meter) means the weight of one square meter of paper