Goat format ruling
Just Desserts

Card effect (current official text)Inflict 500 damage to your opponent for each monster they control.
Rulings
- For "Barrel Behind the Door" Vs "Just Desserts", does "Barrel Behind the Door" reflect 1 card or all of them? A: "Just Desserts" does damage in one shot based on the total number of cards. So "Barrel Behind the Door" reflects the entire amount of damage that is done at one time.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.