Garfield's response to seeing Llanowar Elves for the first time was reportedly "That's not at all what I had imagined." All artwork was used, to the point that new cards were made for unused artwork (like Bird of Paradise)
Many players or duelists were able to engage in much more competitive dueling than single-player campaigns could ever hope to have
The Ghost Rare printing shows wear easily, and surviving examples from the early Synchro era carry serious collector weight
It only removes up to two damage counters but has no Energy cost whatsoever
Often, Chaos Warp is valued as a universal removal spell in red, especially when it comes to hitting enchantments, which red mana normally cannot destroy
Goad is one of the most game-swinging mechanics that exists, and anyone who has ever played against a recurred Kardur, Doomscourge or Disrupt Decorum, or hell, Marisi, Breaker of the Coil can tell you that