Zombie World

Yu-Gi-Oh Card: Zombie World
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Zombie World
Type:Field Spell
Text:All monsters on the field and in the Graveyards are treated as Zombie-Type monsters. Neither player can Tribute Summon monsters, except Zombie-Type monsters.
Printings: Duelist League 13 (DL13-EN017)
Legendary Collection 4: Mega-Pack (LCJW-EN213)
Structure Deck: Zombie Horde (SR07-EN025)
Zombie World Structure Deck (SDZW-EN017)