http://www.gog.com/en/forum/general/new_release_magic_carpet

What's cool about it: Fly a magic carpet, build your fortress, and destroy your enemies using an impressive arsenal of powerful […]
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What's cool about it:
Fly a magic carpet, build your fortress, and destroy your enemies using an impressive arsenal of powerful spells
Fully deformable terrain - a giant mountain is blocking your view? Destroy it!
You have an absolute freedom in how you achieve your goal; there are no corridors, no fixed paths to fly, just an open, living world
Overview:
You're flying just feet above real landscapes. There's a dragon in front of you, killer crabs behind and some guy on another carpet cutting you to ribbons. Not enough mana for the accelerate spell. Looks like you're gonna have to fight this one out, then. Shred the skies on the world’s fastest, most heavily armed flying carpet. Duel rival wizards and wade into hordes of deadly beasts in your quest to restore 50 shattered worlds. At your disposal is an impressive arsenal of devastating spells. Summon lighting storms, meteors, raise the dead to fight for you and, of course, cast the classic fireball spell, and that is only the beginning! The terrain is fully deformable so if you suddenly have an unresistable felling that those peaceful and green fields need more fire, death, and thundering volcanoes, there is nothing that stands in your way!

Unknown if this is the original release or Magic Carpet Plus