Three new prismatic spells for review.

[Ciaran]

... because you can never have too many prismatic spells. Though one of them is actually a conversion of the flagon variant of the rainbow spell from the 1e Unearthed Arcana.

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Prismatic Armor
Abjuration
Level: Wiz/Sor 7
Components: V, S
Casting Time: 1 standard action
Range: Personal
Target: You
Duration: 1 minute/level (D)

You surround yourself with a scintillating aura of many colors. The prismatic armor has seven layers, each of which protects the caster against a single type of attack. Once a layer negates an attack, it vanishes. If two or more layers could negate an attack, the caster decides which layer to use. Prismatic armor also provides an armor bonus to AC equal to the number of layers remaining.

Color / Protects against
Red / Fire
Orange / Acid
Yellow / Electricity
Green / Poison
Blue / Transmutation
Indigo / Mind-affecting spells
Violet / Necromancy

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Prismatic Orb
Evocation
Level: Wiz/Sor 6
Components: V, S
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Area: 5-ft.-radius burst
Duration: Instantaneous
Saving Throw: See text
Spell Resistance: Yes

A ball of writhing colors leaps from your outstretched hand and explodes in a spray of rainbow light. All creatures within the target area suffer the effects of a prismatic spray.

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Rainbow Flagon
Evocation
Level: Cleric 5
Components: V, S, M, F, DF
Casting Time: 1 standard action
Range: Touch
Effect: Rainbow flagon
Duration: 1 round/level; see text
Saving Throw: None
Spell Resistance: No

This spell creates a multicolored goblet filled with seven draughts of pure water. Each time you pour forth a draught, a color of your choice drains from the goblet and infuses the poured water, transforming it into a magical liquid. The effects of a draught are based on the spell it mimics, as indicated on the table below; their effects persist for the duration of the equivalent spell, not the duration of the rainbow flagon. Unused draughts disappear when the rainbow flagon spell expires.

Color / Effects
Red / Cure light wounds
Orange / Resist energy (fire)
Yellow / Remove blindness
Green / Delay poison
Blue / Remove disease
Indigo / Resist energy (cold)
Violet / Remove paralysis

Material Component: Holy water.
Focus: A rainbow must be visible in the sky. Alternatively, the caster may use as a focus a 1,000gp diamond upon which he or she has cast bless and prayer when in sight of a rainbow.

 

[Clay_More]

I liked Prismatic Armor and Rainbow Flagon, had to read Rainbow Flagon through a second time to completely get it. I was inclined to say that Prismatic Armor might be a level too high, but after some consideration I actually consider it pretty well-adjusted, when you consider the duration of the spell. It can easily be cast before combat, and it does have the ability to stop quite a bit of spells cast at the caster.

My main reason for suggesting a decrease in level was that many casters have a tendency to employ spells that are similar in nature, so often the armor would only protect against one spell before the opponent had "beaten through". For example, some casters prefer to rely solely on fire spells and would wear down the Red layer with their first spell.