[D&D4] Rainbow Servant

Hi.

At EnWorld.org Dragonhelm asked about converting the Rainbow Servant prestige class from Divine Power (3.5) to 4th edition. I made a proposal, and some guys found it agreeable.

So post it here.

Rainbow Servant

Prerequisite: Any arcane class

Sense Evil (11th level): You gain a +2 bonus to Insight. If you are surprised, you can still take a single move or minor action during the surprise round.

Rainbow Action (11th level): When you spend an action point to take an extra action, one ally who can see you can loose a healing surge to gain temporary hit points equal to his or her healing surge value plus your Int or Cha modifier.

Rainbow Wings (16th level): You gain Overland Flight 12.

Gust of Wind • Rainbow Servant Attack 11
You call upon the eight winds to strike and help.
Encounter • Arcane, Implement, Thunder
Standard • Area burst 1 within 10 squares
Target: Enemies within burst
Attack: Int or Cha vs. Reflex
Hit: 3d6 + (Int or Cha) thunder damage and you slide the target 1 square and knock it prone.
Effect: You slide all allies in burst 1 square.

Couatl's Circle of Protection • Rainbow Servant Utility 12
You magically cover the ground with the runes that you learned in the Jungle Temples. Your enemies are forced to retreat.
Daily • Arcane, Zone
Standard • Close burst 5
Effect: You push all enemies in burst 5 squres. The burst also becomes a zone that remains centered on you and lasts until the end of your next turn. The zone is difficult terrain for your enemies.
Sustain Minor: The zone persists.

Rainbow Bolts • Rainbow Servant Attack 20
You create a colorful bolt of lightning that hops from one foe to another and spreads hope in its path.
Daily • Arcane, Healing, Implement, Lightning, Radiant
Standard • Close burst 10
Targets: Up to three creatures in burst
Attack: Int or Cha vs. Reflex
Hit: 4d6 + (Int or Cha) lightning and radiant
Effect: You and each ally in burst can make a saving throw and spend a healing surge.