It would allow you to show the creature to your opponent (you also had to say, "It's coming," but hey, it was an Un - set) and because he was so scary, it would cause your opponent to lose life
Then put those cards onto the battlefield under your control.
And who better to license the cards than WotC
All in all not bad, and while this one has already jumped a bit in price since the $0.50 it was sitting at for three or so years, I think it has room to grow (especially if were leaning more and more into casting spells from exile) from its current $5.50 price point
This, and the fact they often feature gorgeous art of fan-favorite Pokmon, makes them extremely coveted
Who Chooses the Order of Replacement Effects