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  | This search based on the March 17, 2008 release of the Rulings. 
G23.1 - Wall 
G23.2 - Win the Game  G23.1a - Wall is a creature type with no particular rules meaning.  Many
    older cards with the Wall creature type have received errata so that they
    also have the defender ability.  Many older cards that referred to the
    Wall creature type also have errata.  Updated wordings for all cards are
    available in the Oracle card reference. [CompRules 2004/10/01]
  Note - Also see Rule 502.41, "Defender".
 
G23.3 - Wizardcycling  G23.2a - A game immediately ends when a player wins. [CompRules 2003/07/01]
  Note - Also see Rule 102, "Winning and Losing." 
 
G23.4 - World  Note - Also see Typecycling, Rule G20.28. [CompRules 2007/07/13]
 
  G23.4a -  World is a supertype that normally applies to enchantments.
    [CompRules 2004/10/01]
  G23.4b - If two or more permanents have the supertype world, all except the
    one that has been a permanent with the world supertype for the shortest
    amount of time are put into their owners' graveyards.  In the event of a
    tie for the shortest amount of time, all are put into their owners'
    graveyards.  This "world rule" is a state-based effect. See Rule 420.5.
    [CompRules 2004/10/01]
  G23.4c - If a world permanent's card types or subtypes change, this doesn't
    change its supertypes.  The permanent will still be a world permanent.
    [CompRules 2007/10/01]
    
    
    This search based on the March 17, 2008 release of the Rulings.
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