I think the best thing about the format is that no matter what happens we have access to the vast majority of the cards (or all of them if your group is into it) and that since our decks are eternal we can just build as we go
Thankfully, that function is so important in a Blastoise-centric Rain Dance deck that Pokmon Breeder has its spot
Honorable Mention #3 - Thirsting Bloodlord I don't know if this is an experiment or not
It was unavoidable, and there was resentment for the bird across the competitive scene of the era
The one downside is that Deserts are a parasitic mechanic, undermining something about Magic that many lovecombining cards from a variety of sets to create something powerful, or ridiculous, or bothas Deserts dont have special interactions with older cards
Additionally, there are 20 anime variants that come in extended art foil versions with unique art