He doesn't do much more than draw you a card and do Blood Artist-y things
"I think we increased production runs on it 4x pre-release
Contents: 1 Sealed Booster Box 24 Booster Packs Limit 3 per customer
But naturally, players will also want to know what the crystal cards actually do, and while there's always a chance of the rules changing before going to launch, these concepts seem pretty set in stone
You have Madam Mim Fox who is the strongest of the Madam Mim cards to decimate your opponents board, Merlin Crab to add firepower to your units, Kit Cloudkicker who can bounce a lot of lower-powered characters, and even Peter Pan who can grant all of your Evasive characters Rush, enabling a lot of versatile plays
Between all of these and Emet-Selchs looting ability, 14 cards isnt an unreasonable ask at all