Ravensburger has so far taken a very hands-off approach to card balancing, preferring to let the meta self-correct while relying on extensive playtesting prior to set launch to ensure cards are released in a balanced state
The full texts of these abilities are "At the beginning of the monarch's end step, that player draws a card" and "Whenever a creature deals combat damage to the monarch, its controller becomes the monarch." If the triggered ability that causes the monarch to draw a card goes on the stack and a different player becomes the monarch before that ability resolves, the first player will still draw the card
Thats seriously formidable power, before you even start challenging using its huge strength
For starters, that includes the new Mickey Mouse - Brave Little Prince (Iconic), which's already selling for over $1000 on resale sites like TCGPlayer and eBay, while its new "Iconic" pairing, Minnie Mouse - Sweetheart Princess, isn't exactly cheap either, and currently fetching around $865 market price