The Chaosfire series

Name: Chaosfire- Being of eternal chaos
Attribute:Dark
Type: Warrior/Dark Synchro/Effect
Level: -8
Effect: non-tuner monster - Menacing Inferno Maker
This card is dark synchro-summoned all non- dark or light monsters are destroyed. This card is also treated as a light monster.
Attack: 3000
Defense: 2500

Name: Menacing Inferno Maker
Level 10:
Attribute: Dark
Type: Machine/Dark-Tuner
Atk: 0
Def: 0

Name: Infernous Breaker
Attribute: Fire
Type: Pyro/Anti-tuner
Level: 1
Atk: 0
Def: 0

Explanation:
Anti-Tuners are monsters that automatically destroy a synchro or dark-synchro monster of their type.

Ultifire- Eternal Burner
Level: 12
Type: Pyro/Fusion/Effect
Bottomfire- Knight of Eternal Flames + Chaosfire- being of eternal Chaos + Darkfire- Flame of Eternal Darkness
Effect: This monster can only be Fusion Summoned by the use of these Fusion Material Monsters only.
Atk: 9000
Def: 8500

Name: Darkfire- Flame of Eternal Darkness
Type: Pyro/Effect
Attribute: Dark
Level: 10
Effect: This card cannot be normal summoned or set. This card can only be special summoned by removing from play Darkfire- Flame Incarnate.
Attack: 4000
Defense: 3500

Name: Internal Dark Flame
Type: Spell
Effect: Each "Darkfire" monster doubles their attack. The monster is destroyed at the end of the turn.

Name: Darkfire's Pet Wolf
Type: Pyro
Attribute: Dark
Level 4
Atk: 1500
Def: 1200

Name: Darkfire- Flames Incarnate
Type: Pyro/Effect
Attribute: Dark
Level 7
Effect: This card can destroy every non-dark monster on the field
Atk: 2500
Def: 2100

Name: Bottomfire's Alliance
Type: Equip Spell
Effect: Give equipped monster 700 ATK but it makes it lose 200 DEF. Also, it allows the player to special summon one monster with the same level or lower of the equipped monster from your deck. The summoned monster also gains 700 ATK and loses 200 DEF. If this card is destroyed, all attack and def return to their original value. Only one of this card can be activated at one time.

Name: Bottomfire: Knight of Eternal Flames
Type: Warrior/Synchro/Effect
Bottomfire: Kid of the beggining + 1 or more non-tuner fire monsters
Level 7
Attribute: Fire
Effect: When this card is synchro summoned, destroy all non-fire attribute monsters on the field. This card gains attack points equal to the combined total of the level of the monsters used to summon them times 1000.
Atk: 2500
Def: 0

Name: Bottomfire: Kid of the Beginning
Type: Warrior/Tuner
Level 4
Attribute: Fire
Effect: This card can only synchronize to summon, Bottomfire: Knight of Eternal Flames
Atk: 1500
Def: 300

Name: Axe of Riving Flames
Type: Equip Spell
Effect: If the equipped monster is not a fire attribute, change it's attribute to fire and increase it's attack by 500
If the equipped monster is a fire attribute, increase it's attack by 1500

Bottomfire's Plane of Eternal Flames
Type: Field Spell
Effect: Increase all monsters that have Bottomfire in their name ATK by 1000 and increase the attack of Fire Attribute Monsters by 500. Pay 500 LP each turn to keep this card on the field

Name: Bottomfire Witch
Type: Spellcaster/Effect
Level: 6
Attribute: Fire
Effect: Gains 300 ATK for each Monster with 'Bottomfire' in their name on the field or removed from play. If there aren't any monsters with 'Bottomfire' in their name on the field or removed from play, this card is destroyed.
Atk: 2300
Def: 1500

Bottomfire's Staff of Fury
Type: Equip Spell
Effect: Take 1000 points of damage. Increase the attack of the equip monster by 1500.

Name: Bottomfire's Overlord Dragon
Type: Dragon/Ritual/Effect
Level 12
Effect: This card can only be ritual summoned by the effect of the ritual spell card, 'Bottomfire's deal with the devil'. When this card is summoned succsefully, You can summon every card with Bottomfire in there name in your hand or graveyard. This card cannot be destroyed by Spell, Trap, and monster effects. Also this card cannot be destroyed by monsters that are either Fire or Dark attribute.
Attack: 9000
Defense: 6000

Name: Bottomfire's Deal With the Devil
Type: Ritual Spell
effect: Pay 1000 LP to activate this card. Discard or tribute cards equal to 12 stars in order to summon Bottomfire's Overlord Dragon.

Name: Backfire
Type: Pyro/Effect
Level: 4
Effect: Destroy every Bottomfire, Darkfire, chaosfire, or ultifire monster on either side of the field
Atk: 0
Def: 2500