Text (MI+errata): 2/1, Flying. ; When ~this~ becomes the target of a spell or ability, sacrifice it. [Oracle 2000/10/24]
The sacrifice is triggered on the announcement of a spell that targets it and is placed on the stack before responses can be announced. [D'Angelo 1999/07/10]
You can move an enchantment onto this card using Enchantment Alteration or a similar effect without causing this card to be sacrificed. [D'Angelo 1997/12/15]
Note - This card was of creature type "Ghost" and not "Spirit" until Oracle 2005/08/01.
