As Kotaku points out, the reason this is happening is because McDonalds doesnt have a unified rule for how to get a Happy Meal toy
It allows you to sacrifice an artifact rather than a creature, but otherwise functions identically to emerge
Thats a great rate if you ask me
The booster packs should be available in grocery stores, retailers, and the Pokmon Center by September 5th
Slime Against Humanity is a green card that, like Rat Colony or Persistent Petitioners, you can have any number of in your deck
The Deck already has a great ceiling, an average Endboard often enough to secure a win - reliably getting there through Handtraps and/or unlucky Draws is usually the difficulty, so the worst-case should be taken into account when building, not the best-case