Fanaelialae
Legend
Page 164 of the 5.0 DMG (the one with Acererak on the cover).At least based on the sources available to me, there is no such card in the 5.0 Deck of Many Things. There is the Puzzle card of the optional (and nastier, for the bad cards) Deck of Many More Things, but now we're talking about a single rare possibility of an optional variant of an extremely powerful and notorious artifact that will never appear in most games.
99.9% of players will never even see this card. The vast majority of those who do won't be MC'd into a class that requires specifically Int to take (since that's only two classes, Wizard and Artificer). Do you have anything else? Because if this is your only example then I feel pretty confident about my claim, with a single carve out for "if you get really unlucky with a nastier version of the Game-Ruining Deck."
"Idiot. Permanently reduce your Intelligence by 1d4 + 1 (to a minimum score of 1). You can draw one additional card beyond your declared draws."
It's not only in 5.0, it's in the 5.0 core.