This set was a chance for WotCs designers and developers to throw caution to the wind and just design a huge slew of new mechanics without needing to get them correctly balanced
Their leader, Falco Spara gives you a shield counter, and then lets you cast creatures from the top of your library by using counters
There are plenty of lands out there, but the best ones come into play untapped so they can tap for mana right away
Nettling Nuisance With Nettling Nuisance on board, whenever at least one faerie deals combat damage to a player, that player makes a 4/2 goaded pirate
Choosing an artifact represented by a modal double-faced card (Pestilent Cauldron from Strixhaven , for example) won't cause that permanent to transform
You will need some shuffle, mill and/or scry effects to take full advantage of the Library but most combo orientated decks should be able to manage that