Your search for "Toon World DB1-EN042" revealed the following:
Toon World - DB1-EN042 - Common from Dark Beginning 1, available at 401 Games Canada. Rarity: Common Card Text:Pay 1000 Life Points to activate this card.
Toon World - MIL1-EN042 - Common - 1st Edition from Millennium Pack 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Activate this card by paying 1000 LP.
Blue-Eyes Toon Dragon - DB1-EN066 - Super Rare from Dark Beginning 1, available at 401 Games Canada. Rarity: Super Rare Card Text:This card cannot be Normal Summoned or Set. This card can only be Special Summoned while "Toon World" is...
Toon Summoned Skull - DB1-EN040 - Rare from Dark Beginning 1, available at 401 Games Canada. Rarity: Rare Card Text:This card cannot be Normal Summoned or Set. This card can only be Special Summoned while "Toon World" is on your...