There's not a more wholesome character we could think of to be on our side than Pooh
I want to take cues from Teysa Karlov: turn the sacrificed humans into other resources with Pitiless Plunderer, Requiem Angel, or Xathrid Necromancer
Either way, this seems like it will often be a two-for-one that forces your opponent to deal with it before burning your face, and making them essentially "discard" two burn spells is a pretty big deal
Each player rolls a W20, the Chaos Dragon must attack every turn, but cannot declare the person with the highest roll as a target
Turning every dead card into fuel makes the Mystic a great early play, ensuring your hand stays live while filling the graveyard for later zombie synergies
In combination with Klauth, the Despot can be a very strong combo-card, but the cost of this card, 5RR, can be a deterrent if you dont cast it from a mana ability