Notice how the cards artwork shows a Barbarian breaking a shield only to reveal a cute and seemingly defenseless Octopus inside
Today, though, it's still having a major impact as one of the strongest card-draw finishers in cEDH and low-to-the-ground decks overflowing with fast mana, where Ad Nauseam can often draw you a massive chunk of your deck, giving you the fuel you need to win the game
Overload exists on instants and sorceries, and is actually two static abilities
Krarks Other Thumb (and associated dice mechanics) Coin flips have been a part of black-border Magic since the start, but somehow rolling dice never had the same level of legitimacy, and it was pigeonholed as an Un-set mechanic until very recently
Huatli, Dinosaur Knight already existed as a fairly weak dino-centric planeswalker, one you can even fetch up with Sun-Blessed Mount