The first number is the position within the set, the second is the total size of the base set
The only people who want this card are hardcore Avatar collectors, not high-stakes tournament grinders
Sealed, original booster box
If your opponent Special Summons a monster(s) (except during the Damage Step): You can banish 1 of those monster(s), and if you do, inflict 1200 damage to your opponent
Being forced to swing with your whole board is often incredibly destructive in multiplayer, even if you dont lose a bunch of creatures to blocks, let alone having it happen every single turn
Let's take a look at Chandra's legendary creature, which represents her before her spark