You would pretty much a one track mind to think that way about manaphy. You dont understand how little one ko is to have a juniper at a one card hand, or the final piece to a combo that you cant get any other way. ive been playing manaphy and let me tell you, no on wants to attack a manaphy...
ive been running the blastiose/keldeo for a while and in my opinion i would use 1 suicune, 1/2 manaphy (the ability one), and 1 of the new plasma kyurem. Plasma is a big threat im even going to play test silver mirror for the none ex. Something to look into.
ive tried this and played it a few times and so far its been doing ok. im just trying to tweek a few little things
pokemon-14
Tornadus ex- 1
zubat (free flight)- 4
golbat (pls)- 1
Crobat- 3
sableye- 2
Giratina- 2
mewtwo ex- 1
Trainer items- 20
rare candy-3
pokemon catcher- 3
switch-3
energy...