You can find my thoughts one the Cat generals, as well as the Dragons, Vampires, and Wizards of Commander 2017
Each pack includes 11 foils and at least 7 cards with special art treatments
You can always choose not to cast the spell, which means youll have wasted your cascade trigger
Tomer ranks all 52 new legendary creatures from Fallout
I think it's a bit low power level wise, 6 of the 9 cards you're shuffling in are mana sources after all, and you still need to draw them, but the coolness factor may override you here
If your opponent casts a bigger creature, you cant steal it, so your options are a little worse and you might need to rely on your following spell to answer it, but if your following spell is a Wicked Wolf, for example, no matter what they cast, you could turn it into a 3/3 and then use the Food you created the previous turn with Oko to kill their creature with your Wolf after making it a 4/4