Ho-oh is my favorite Pokemon, but I can't say that it's my favorite card...
The first Ho-oh is not great because there is a chance that none of the attacks will do damage... The second is better, in my opinion, but would only do good in a deck of Pokemon cards that all required colorless energies so you could have a bunch of different basic energy cards; if they are attached, that's a guaranteed 90 damage. I guess the last one is okay too, but I don't like discarding energy cards (though a couple special energies including Recycle Energy wouldn't be too bad).