Lets be honest, you want this card to cheat your massive threats onto the battlefield
Obviously, since their first ability isnt remarkable at all, we can gloss right over that and look at whats important
For those who are not interested in spending $20+ on a single card, Oreskos Explorer and Knight of the White Orchid are likely to stand out compared to Smothering Tithe and Land Tax
Barrin, Master Wizard (Saga/Legacy/Destiny) Barrin, Master Wizard, though a very fragile 1/1, basically turned every card on your side of the board into an Unsummon
After printing a bunch of super-busted cards in the late '90s, the early 2000s were pretty tame, to the point where I'm not sure I consider any card from 2002 broken
Aside from cards on the Banned List, this category has no deckbuilding restrictions, so you can feel free to build around early-game combos and mass land denial and include as many Game Changers as you want