Goat Format · April 2005
What the Goat Format rulings add to, or change from, the rulings above.
"The Wicked Worm Beast" will not return to the player's hand if it is not face up on the field during the End Phase.
Edison Format · March 2010
What the Edison Format rulings add to, or change from, the rulings above.
If you have 7 or more cards in your hand after returning "The Wicked Worm Beast" to your hand, you must discard cards until you have 6 cards.