Three is quite a lot just for card quality and won't bail you out of savage mana screws however it is typically played in more long term decks which are far less likely to keep land light hands
Tutors like Bring to Light enable attempts from players to win the game by playing a 250+ card deck and tutoring this card for the win
Overall, Korvold is powerful, flexible, and borderline unfair in longer games
If you get a single Silver-Fur Master you are definitely supposed to bias towards cards it enhances, and the second copy lets you go full ham on Ninjas and Rogues, but planning on that before you see the card is a route to a bad deck a lot of the time
Fittingly, this Grixis-colored Avatar Horror is even more effective as a calculating villain who sits back and works his magic while his Orc armies do the fighting
These full-art lands, illustrated by Sergey Glushakov, feature scenic Tarkir landscapes with the shadows of dragons cast over them