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Could you explain the flavor behind wishpowered?

I chose the hand to represent where the wish comes from, rather than the library like Djinn of Wishes because it felt like more a sacrifice of a wish. The wish isn't expended when used to power cybernetics (I'm going for a magic-powered technology as Mirrodin was, but going for more of a cyberpunk setting), but rather the energy of a wish fuels the cybernetics. When someone dies, the power of the wish returns to the genie that granted it, as the wish isn't actually expended, hence the card returning to your hand. Magic-powered cyberpunk might seem strange. Originally this was just going to be cyberpunk (I asked some friends for some fantasy settings), and cyberpunk was the first one I received. Another friend suggested One-Thousand and One Nights, and I liked since I thought it'd help add some distinction and give a better opportunity to make sure the fantasy elements come out. The Sahabat Alssum (a name I may change later as I'm not overly fond of it, but it was the best I could come up with at the time) are a mercenary group. The original members are long since dead, but new members join by receiving memory implants of the previous members, which they use in conjunction with their own training.

So this is a fusion of cyberpunk and Arabian Nights? Wacky.
See Totemic Warrior for my suggestion as to how Wishpowered might be worded.

Ah, that's actually kinder than what I had, since you getting your card back was dependent on the Wishpowered creature dying making it vulnerable to exiling and bouncing.

Ah, I hadn't even considered that. I just went with the Banishing Light wording since it's generally superior, without even thinking about the fact that your version only looked for death.