You want to interact with the spell you just got, but there are not tons of ways to do that in black
The full implications of this work must be discovered and documented
While I know various editions of The Wind in the Willows and Aesops Fables along with Brambley Hedge, the Narnia books, Coyote Goes Walking, and Crow and Weasel are all on my mental and physical bookshelves
Only granting access to red is disappointing given how many great Warriors there are in black and white, but there are still plenty of good options for Gornog decks
Its great against an opponent with lots of target removal
A card slabbed by PSA, CGC, or BGS has already been checked and authenticated, which removes much of the guesswork at the cost of a higher price