So now that we have a good fix on what Zoe does, only one question remains

It let's me draw 2 cards

Wah?

I feel like this joke is so old.. yet so fresh

Hmm... I think it has a draw effect like Jar of Greed. Past that, no idea.

"Pot of Greed" is a misnomer. It should be something more like "Pot of Gluttony". Because smoke one bowl, smoke 'til it's gone.