If there are fewer than nine cards left in the opponent's library as the ability resolves, you look at all of the remaining cards
Get twenty Lore before your opponent to win the game
Amethyst characters were already the best at drawing you cards, though sapphire certainly competed with that title in set two, but now youll get a heck of a lot more bang for your buck when you flood your hand with new cards
Note that this list assumes some level of familiarity with the game
Whether you consider these "first edition" is up to you
The problem with Battle of Wits is that when you consider you will need 200 cards in your deck once it hits the battlefield and that it might take several (or many) turns to get Battle of Wits on the battlefield, you will need to play somewhere around 240 cards to make Battle of Wits work, which means you're increasing your deck size by 300%, which in turn leads to a massive drop in consistency, to the point where Battle of Wits simply isn't worth the cost in competitive decks