Multi-color leader cards join the fight
If you're less interested in winning and just want to have a good time and introduce some zany antics, it's hard to do much better than Scrambleverse
Its actually kind of funny that the front side is super frustrating for your opponents to play against, while the Sorcery side is something everyone will be happy with
Beckett (now owned by PSA's parent company), Certified Collectibles Group (CGC), and Sportscard Guaranty Corporation (also owned by PSA's parent company) are other options
It also helps to insulate against counterspells, as opponents will have to counter both copies to prevent you from getting the search effect
Slimefoot aims for more of an Aristocrats theme (a deck that seeks to slowly deal damage to opponents and raise your life total when your creatures die), and can become very dangerous with all the Saproling support that exists across MTGs history