It could work beautifully in the supernatural Duskmourn: House of Horror or the mysterious Murders at Karlov Manor
Being able to challenge into Maui Half-Shark and, provided you have Mushu out, live is a huge deal
There and Back Again is a red Saga that provides remarkably little value from its first and second chapters, but the final chapter creates a legendary Smaug Dragon token that pays off handsomely when it dies
Exceptions: Apiary, Cobbler (but not Shoemaker), Wainwright
Leovold, Emissary of Trest is a disgusting design when it comes to Commander, and its very easy to see why hes ban worthy
Even then, four mana to potentially draw just one card is a big commitment for little reward