In Simic Flash, Thryx essentially guarantees a resolved Nissa, Who Shakes the World either they counter your Thryx on their end step and leave their shields down, or it resolves and you get to cast an uncounterable Nissa
The Rainbow Rare Pikachu VMAX from Vivid Voltage was one of the toughest cards to pull
You can see the full breakdown of card styles and booster contents in Wizards blog post, but heres the quick summary: Draft boosters are your traditional packs of one rare or mythic, three uncommon, 10 common and one land card and are perfect for playing draft or sealed events
To estimate the potential profit, check the prices other sellers are asking for their collections
Its one of only a few large, cheap creatures to be released with no real drawback
Note a couple of things here