Orzhovs afterlife mechanic makes tokens upon death, which Teysa multiplies and buffs
There are a lot of fancy sets out there with new releases and collections and whatnots, and the ones I listed today are most likely to deliver something great
But Gravecrawler makes a pretty strong case, regardless of how you cut it
If the first target of Burn Together is an illegal target as the spell resolves but the last target is still legal, Burn Together will resolve, but no damage will be dealt and nothing will be sacrificed
Next week we'll hit the last of these articles, and finish with the awesome that is Red/White
In addition, I'd put some sort of restraint on her first ability, like requiring you to have x number of cards in y, or banishing a card in both player's Graveyard so that it punishes you for using it too