OK, let's see Spells & Systems Contest #6 reviews:
CarrionMan19 - Evil Shield
Idea - 4 points
-1 - An instant kill spell is always evil.
Triggering - 3 points
-1 - The trigger is pretty simple.
-1 - It runs every time a generic unit is attacked, and if a unit does not have (or even never had) the buff, it still removes Magic Immunity. It means, the spell is buggy. It also kills Slowed units, which is stupid.
Theme - 2 points
-1 - It protect the unit from nothing, but simply kills the attacker.
Playability - 1 points
-2 - A spell like this completely messes the gameplay up. It becomes pretty imbalanced.
Effects - 0 points
-2 - Nothing except a cast effect.
TOTAL: 4+3+2+1+0 = 10
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Just_Spectating - Mana Enchant
Idea - 4 points
-1 - Banish + Collision + Bonus MS, nothing special.
Triggering - 1 points
-2 - 0.1 second periodic trigger with 2 group leaks - insane.
-1 - Too simple but "could-be-made-easier" triggers.
Theme - 3 points
Playability - 3 points
Effects - 1 points
-1 - Nothing but Banish buff effect.
TOTAL: 4+2+3+3+1 = 13
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Razorbrain - Mystic Rift Shield
Idea - 4 points
-1 - Damage-splitter spells are popular.
Triggering - 4 points
-1 - The way you heal the unit is extremely stupid.
Theme - 3 points
Playability - 2 points
-1 - Game became very laggy after the second cast.
Effects - 2 points
TOTAL: 4+4+3+2+2 = 15
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Dil999 - Holy Spiral
Idea - 4 points
-1 - Only a boosted AoE Invulnerability.
Triggering - 4 points
-1 - Not JESP!!!
Theme - 2 points
-1 - It's a single-unit-target and AoE hybrid. I said single-unit-targetted.
Playability - 3 points
Effects - 2 points
TOTAL: 4+4+2+3+2 = 15
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Eleandor - Arcane Protection
Idea - 5 points
Triggering - 4 points
-1 - Pretty simple trigger.
Theme - 3 points
Playability - 2 points
-1 - It can be very disturbing sometimes.
Effects - 2 points
TOTAL: 5+4+3+2+2 = 16
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HINDYhat - SoulTransfer
Idea - 4 points
-1 - There are plenty damage-converting spells out there.
Triggering - 5 points
Theme - 3 points
Playability - 3 points
Effects - 2 points
TOTAL: 4+5+3+3+2 = 17
The last three spells were my favourites, but HINDYhat could make his (her?

) spell the best.
Thank you for participation, and sorry again if I crossed someone's calculations with the deadline modification, but it was neccessary - believe me!