Text:
Whenever you play a card you don't own >>> Each other player loses 200 life plus an additional X00 life, where X is the total cost of that card.

: Choose one. Players cannot chase to this ability;
- Flip target card in any player's removed area face down or face up.
- Flip target card you don't own outside the game face down.

: Copy target activate ability whose source is a fire J-ruler you control. You may choose new targets for the copy.

: Produce

. Spend this will only to play Cryptid resonator spells, activate abilities of J/rulers you control or judgment processes.
Flavour:
"I have a world for each one of you to rule in my name, minions." - Gill Lapis
Rulings:
Confirmed by company officials
If two players both control Empty Vessel of Worlds, and they both target the same card to flip it repeatedly, causing an exitable loop, the player who activated second will "win" the loop and whichever player started the loop will have to choose another action to do. (MP-02 QnA, 2025-02-28)
Confirmed by company officials
You can flip a card you don't own outside the game face-down, if it was expelled from the game. (MP-02 QnA. 2025-02-28)