Not only that, this card has a good amount of willpower and lore-generating capability too, since each quest gets you three lore, so it can tank some damage and still help you win the game.
At lower brackets, Stax is still viable, but it is certainly something that should be discussed with your friends before you start playing.
Put a different way, having a sideboard plan means seeing the big picture, instead of focusing on questions one at a time, independent from one another
Its a bit easier with effects like Ambuscade and Clear Shot
However, you can choose to be dealt damage, even though that damage won't result in your life total changing
It lets you selectively reorder the top 3 cards of your deck while also having a free way to draw a card on another turn