In the first Japanese edition of this card and a few video games, such as Yu-Gi-Oh! The Eternal Duelist Soul, you must pay 500 Life Points during each of your Standby Phase to keep "Toon World" in play. Also if "Toon World" is sent from the field to the Graveyard, you gain all Life Points paid for "Toon World". This was most likely edited in newer versions due to complicating calculations.
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