[hider=I think that is the last of the Chaos Emissary's for now]

Name: Chaos Theory
Trap type: Continous
Effect: Activate this card only if you have 5 or more banished "Chaos Emissary" Monsters.  
Once per turn your can special summon one level 4 or lower monster from your graveyard or banished zone, you cannot conduct a normal summon the turn you activate this effect. Destroy this card on the 4th standby phase after activation.

Bellum [-]
Name: Chaos Emissary, Bellum
Level: 7
Attribute: Dark
Monster Type(s): Warrior/Effect
Effect:
Cannot be Normal Summon/Set. Must first be Special Summoned (from your hand) by banishing 1 LIGHT and 1 DARK monster from your graveyard. Once per turn during either players turn you can banish one card from your hand to have this card gain 700 attack until the end phase. 
ATK/DEF 2300/2000

Name: Chaos Emissary, Erebus
Level: 7
Attribute: DARK
Monster Type(s): Fiend
Effect: Cannot be Normal Summon/Set. Must first be Special Summoned (from your hand) by banishing 1 LIGHT and 1 DARK mnster from your graveyard. Once per turn, during your opponent's Standby Phase, select one card your opponent controls. Its effect cannot be activated until your opponents next End Phase. Your opponent can banish one card from their graveyard to negate this effect. 
ATK/DEF: 2300/1000

Name: Chaos Emissary, Mortuus
Level: 8
Attribute: Dark
Monster Type(s): Zombie
Effect: Cannot be Normal Summon/Set. Must first be Special Summoned (from your hand) by banishing 1 LIGHT and 1 DARK monster from your graveyard. Once per turn, before you attack, you can target one monster your opponent controls and equip this card to it. The equipped monsters ATK and DEF become 0.
ATK/DEF 0/0


Name: Chaos Emissary, Butterfly
Level: 1
Attribute: Light
Monster Type: Effect/Tuner/Beast
Effect: When you draw this card reveal it to your opponant and banish it. During the 3rd end phase after the activation of this cards effect: If there is a 'Chaos Emissary, Butterfly' in your Banished zone, you can Special Summon exactly one in face-up attack position. 
This card cannot be destroyed by battle 
ATK/DEF 100/100
[/hider]