This card's ability blanks the text box of affected cards once they are in play. If a lasting effect was created prior to this card's ability being resolved, the lasting effect remains active for the duration specified by the effect, even though the text box creating the effect may be blank.
If an affected card with a Play: ability that establishes a lasting effect is played after this card, then the Play: ability does not resolve, and no lasting effect is created.
If an affected card with a Play: ability that establishes a lasting effect is played after this card, then the Play: ability does not resolve, and no lasting effect is created.