Maybe you should wait and see a couple more episodes of Den-O, to see what all the Imagin are capable of doing. (As right now we've only gotten examples of them getting material stuff.)

Now that I think more about it, Tsukasa and an Imagin is not a good combination. He'd probably try to fight it... or maybe use his horrible pun skills on it, for massive damage.
Ugh. I just broke my brain.