You may cast it without paying its mana cost if that spells mana value is 8 or less
it doesn't have any new cards, and technically it's considered part of the same set, but the Special Edition Collector Boosters are very different from the regular edition
I think planeswalkers coming out of this product are exciting because they can play a dual role of digging up old characters from the past that we never got to see as planeswalkers on cards, while also setting others up for developments in the future
Creatures are way more sturdy than tokens and a lot of them scale with counters or just getting bigger
In fact, we have so much good reanimation options, I decided to explore this theme further and realized we also have some great ways to get our creatures into the graveyard: theres Buried Alive to tutor them directly into the yard, huge draw options like Necrologia to discard them down to hand size, sacrifice outlets like Greater Good that can also draw oodles of cards, and even Red is contributing here with Sneak Attack to cheat out big creatures from our hand