I say the same to you...good luck getting that crazy-ass plan to work in arenas ;p Especially since lifebloom's ticks are worth shit and a "whopping" 1500hp only heals a third of the 7k pom pyro + 3k fireblast your ass just ate, or the 3k MS followed by a 2k white crit while their rogue is stunlocking your ass to hell and back, not to mention vs other druids they'll just cyclone you till it wears off and then destroy you before you get it back up. HoTs work well on paper, but not in practice, especially in the over-serious, pure-pvp spec arenas. And 120 with CRAPPY gear? As a Resto, maybe...I have 1100 dmg + healing on my boomkin in fucking raid gear and that's what mine ticks for. -T6- boomkins don't have more than 1100-1200 spelldmg/healing, and you sure as shit won't break 1200 with pvp gear judging from what I saw on the arena PTR, so good luck with that.

Shamen have 3 "trees" of spells; Nature, Frost, and Fire. Most of these are on seperate spellbook tabs as well. If Lightning Bolt is kicked, you've still got frost/flame shock + your totems(Fire ele, searing, nova, grounding, healing stream, etc) + your non-gimp melee(Windfury lolz vs "haw haw you just did 83dmg with your piddly little mace") + your armor.