Putting them together does make for a better card, and sometimes aggro decks really want a card that just blanks a couple of blockers and they also are pretty happy with a combat trick, even if this one isnt the greatest
I want to use his ability to guarantee a win
Burst Sniper Option When you need to eliminate a specific threat, Chien-Pao ex fills the role perfectly
I cant imagine many better creatures for an aggressive deck, and the only thing keeping it from a 10/10 in my eyes is that at 2 toughness, its pretty easy to kill with removal
Optionally grab a creature from opponents graveyard and put it into play with haste (it will be removed from game at the end of turn)
But there are ways to combat this: If you want to keep your collection in tip-top shape, it's crucial to carefully sleeve all your cards and store them in a cool , dry place