You can play as many battles each day as you like, no cooldown required
Anyone whos had the misfortune of playing against Prosper, Tome-Bound will know that Rakdos players can absolutely run away with the game if allowed to rack up too much Treasure, and Decadent Dragon is the perfect enabler for most red/black Treasure strategies
Jessebelle made of James' life a living hell, trying to control everything James did, from the Pokmon he would have to the way he ran away from her
Ragavan allows midrange decks to take an aggressive stance, which has been tough for a number of years
It can depend on rarity, popularity in competitive formats, or simply how striking the artwork is
Legendary Creature - Human Knight Chatterfang, Squirrel General Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead