While that's generally a bad idea since most of our spells are sorcery-speed, we're going to lean on cards that grant our spells flash, so we can transform our werewolves on our turn and then cast our spells on opposing turns
With the typical setup of running 3 Terraforming, 3 RotA, 3 Midfielder and 3 Stadium, you only had to open 2 certain cards, with each having a 1/6 chance in obtaining them
Unfortunately, the drop rate of such a booster is 0.05% , and statistically, it unlocks every 2,000 open boosters
Lastly, the all-star of this drop comes in the form of Emrakul, the Promised End
Cloudkin Seer is markedly better than any card in this next pack, which makes me want to try to play it at this point if at all possible