I have mine setup for the following
(Priest, Mage and 3x Locks)

1 Target toon 2
2 assist
3 Target toon 4
4 IWT
5 Greater Heal toon 2
6 Holy Nova
7 Greater Heal toon 4
8 Target toon 3
9 Target toon 1
10 Target toon 5
11mount
12Greater Heal toon 3
13Greater Heal toon 1
14Greater Heal toon 5
15 DPS 1
16 DPS 2
17 DPS 3
18 DPS 4
19 DPS 5
20 Psychic Scream / Howl of Terror round robin
21 Fear round robin
22 Fear trinket
23 Disperse, Ice Block & Darkmoon card damage absorb (my oh s**t button)
24 Follow
thumbstick - slave movement