A popular VS list style, revolving around the Vermin Daemon, a Plague Patriarch on a Plague Pendulum and two Dreadmills. See the description for an example along with an analysis of what makes the army work.
The Lightning Rod: (50pts)
Magic Banner. One use only. Activate at the start of the opponent’s turn. During this Player Turn, all friendly units gain the Hard Target special rule. Shooting Attacks that don’t roll to hit must roll a 4+ or the attack is lost. No Flying Movement may take place.
Eye of the Storm (40pts)
Magical Weapon. Type: Halberd. When the bearer casts Hand of Heaven
from Thaumaturgy, add +2 hits to the Target of the spell.
Blade οf the Swarm (25pts)
Magical Weapon: Type: Hand Weapon. If the wielder’s unit has more Full
Ranks than each of the enemy units Engaged in the same
Combat, the wielder gains +3 Attacks when using this
Scabbing Potion: (40pts) - Cannot be taken by Towering Presences
Enchanted item. One use only. May be activated at the beginning of any of
the owning Player’s phases. The bearer recovers D3
Sceptre οf Vermin Valour (50pts) [Infantry only]
Enchanted Item: The wearer can be placed anywhere in its unit, it doesn’t
have to be placed as far forward as possible. Other
models with the Front Rank rule have priority for being
as far forward as possible.
Armlet οf Power: (50pts)
Talisman. The bearer can cast a Bound Spell (Power Level 3).
Type: Caster. Duration: Lasts one Turn.
The target doubles its Strength. Mounts are unaffected.
Deceiver's Buckler (50pts)
Magical Armour. Type: Shield. While using the shield, the wielder gains Distracting and, may at the start of each Round of Combat, nominate one enemy model in base contact with the user of the shield. For the duration of this Round of Combat, one part of the chosen model (wielder’s choice) has -1 Attack, to a minimum of 1.
Putrid Plate (50pts)
Magic Armour. Type: Plate Armour. For every successful Armour Save made by the wearer against Close Combat Attacks, the unit which caused the wound suffers 1 hit with Toxic Attacks.
Icon οf Ruin: (50pts)
Magical Banner: Any enemy wishing to dispel an “Augment” or
“Universal” spell that has targeted the bearer’s unit
suffers a -2 modifier to the Dispel Attempt against that