wow, really. Okay.
I don't know what you're trying to launch with, but to practice why don't you go in against saaaay Testament and do this in the corner:
5S, 2H, IAD, jS, jH, pink shit, land, jS, jH, jD, pink shit, land, 66 jS, jH, jD, pink shit
or if the IAD is rough then throw, jS, jH, jD, pink shit, jS, jH, pink shit
If you wanna practice the timing for the run you can throw testy in the corner thusly:
jS, jH, jD, pink shit, (66 jS jH jD pink shit)xup to 3, but I'll only do 2 in a match as the damage for the last four hits is about 4
You can set it up off of pretty much anything; just check the combos thread. On other characters the timing for the IAD is going to change significantly and it's totally possible to hit the IAD jS jH orbs then completely whiff the next jS. You'll just have to learn what characters need how much delay and yaddayadda.