Null Chamber

Enchant World    (CMC:4)

You and target opponent each name any card except a basic land. Those cards cannot be played.

Discovered by Femeref mages, the Null Chamber is the ultimate testing ground for the uncreative.

MI • ENDouglas Shuler

™ & © 1993—1996 Wizards of the Coast

Legal in: Mirage Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Null Chamber {3}{W} World Enchantment As Null Chamber enters the battlefield, you and an opponent each name a card other than a basic land card. The named cards can't be played.

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View this MTG card on Gatherer

2/1/2006
If you somehow manage to cast this while other spells are on the stack, those spells won't be countered.
10/1/2008
This has the supertype world. When a world permanent enters the battlefield, any world permanents that were already on the battlefield are put into their owners' graveyards. This is a state-based action called the "world rule." The new world permanent stays on the battlefield. If two world permanents enter the battlefield at the same time, they're both put into their owners' graveyards.
4/15/2013
You choose which opponent makes the choice. Null Chamber does not target that opponent.

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