Oracle Text

1RR, T: Gain control of target artifact for as long as you control Aladdin.

Card Rulings

10/4/2004 Aladdin’s ability can take control of more than one artifact, although only one each time the ability is used.
8/1/2008 You do not lose control of the permanent if it stops being an artifact. The validity of the target is checked only on announcement and resolution of the ability.