Text(AN+errata): 3/3, Flying. ; {G}: ~this~ deals 1 damage to each creature
with flying and each player. Any player may play this ability.
[Oracle 1999/09/03]
The Efreet does indeed damage itself (unless it is no longer flying).
[bethmo 1994/06/01]
Extended tournaments (see Rule D.15) have always banned this card.