Sure, it forces your opponents to do the same, potentially refilling their hand with more spells, but also has tons of potential of shuffling away some powerful spell they were holding on to
Also, a shout out to Griselbrand that costs eight for a 7/7 flyer with lifelink that can swap 7 life for 7 cards and was so broken in older formats like Legacy that reanimated him, or cast him with no additional costs that he was really a one-dork format for much of its run and answers like Liliana of the Veil rose to the top
Yes, it can create some game-dominating combos (perhaps a few of them pretty annoying), but in the end, we saw it as a strong card that wasnt all that difficult to answer because it was pretty mana-intensive
While the Commander Decks focus on Final Fantasy 6, 7, 10, and 14