I think it's a bit low power level wise, 6 of the 9 cards you're shuffling in are mana sources after all, and you still need to draw them, but the coolness factor may override you here
If youre not going to go straight for the jugular like that, then which cards you choose to give to opponents depends on what your commander incentivizes (and how mean you feel like being)
Gives it lifelink, flying, and when it dies you may pay life to draw cards equal to its power
You get a second helping of smashing or enters-the-battlefield triggers from your dorks
It was completely usurped by the dog creature type for the sake of consistency, and to give the hot-off-the-presses Rin and Seri, Inseparable more options
It also helps to insulate against counterspells, as opponents will have to counter both copies to prevent you from getting the search effect