mtg mystery power box commander deck introducing someone to the game Mystery Commander Decks - Etsy

I might even try to run it as is during our next game night before updating it

Proliferate Decks - In decks like Five Color Planeswalkers with a bunch of proliferating to raise the loyalty counter count, this can be used as a win con with just one or two hits turning into wins

Pile on the collectibility, and major upside if you can harness this infinity stone and you get an artifact that is truly legendary

Three Tree City Need to make mana to break things wide open

Someone intense

The vampire part of the card mostly wont matter in Limited -- you have to be exiling something your opponent has multiple copies of, after all