Currently only one type of Battle card exists: The Siege
I like that this card has a low retreat cost and a move that requires only colorless energy cards, but this card is too big of a hassle to do with since it requires Plume Fossil cards to use, and the only move this card does is average at best
While the No
The main boss monster is Mirrorjade the Iceblade Dragon , which banishes monsters and sends an Extra Deck Monster from your own to the GY
As long as it's connected, it won't be destroyed by battle effects, but if you think about leaving it, in most cases it will become a punching bag that can pass 500 attacks for at least 1 turn
P/T Number 234 Language English Legal Formats Commander, Historic, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Pauper, Pioneer, Standard, Timeless Rulings (6/16/2023) Damage dealt to creatures remains on those creatures until the cleanup step or until an effect removes that damage