If the enchanted permanent would be destroyed, you must remove all damage from it (if it has any) and destroy the Aura that has totem armor instead
Unfortunately, all of the Ravnica sets are rotating out, so we may not see Niv-Mizzet for a while, but theres no doubt well be back to Ravnica some day
You can check out our guide to Disney Lorcana Card Rarity for more details
(A suspected creature has menace and can't block.) Whenever one or more creatures an opponent controls deal combat damage to one or more of your opponents, you and the controller of those creatures each draw a card
(Changelings are a spicy thing to do though!) There were some early sales on eBay at $5,000, but it is now available under $3,000
Her current iteration, Vraska, Betrayals Sting, has a lot of potential, but has yet to find a home in a truly successful Standard deck