You can choose a 3 level higher AC, and have your normal effective level. Like, FLESHRAKER instead of wolfCan't raise your effective druid level higher than your character level. Doesn't work for this build, as we're already over /double/ the guy's character level. You could try applying it first, but that's just lame. =PRanged Touch Attack
I have no idea what RTA means, but I'll take a stab in the morning.