Onis: These ones burn stuff

[Just Crouton]

I made a separate topic for these since these are a sub-archetype and plays differently.

[spoiler=Main Deck monsters]

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/LEVEL3Blast-Oni.jpg[/IMG]
[color=#ff8c00][b]Blast-Oni[/b][/color]
Once per turn: You can inflict 400 damage to your opponent for each face-up "-Oni" monster you control. If you do, this card cannot attack this turn. While this card is attached to an "-Oni" Xyz Monster as Xyz Material: That Xyz Monster gains this card's effect(s).

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/LEVEL3Mad-Oni.jpg[/IMG]
[color=#ff8c00][b]Mad-Oni[/b][/color]
Each time a card is sent to your opponent's Graveyard: Inflict 100 damage to your opponent for each face-up "-Oni" monster you control. While this card is attached to an "-Oni" Xyz Monster as Xyz Material: That Xyz Monster gains this card's effect(s).

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/LEVEL3Muscle-Oni.jpg[/IMG]
[color=#ff8c00][b]Muscle-Oni[/b][/color]
Once per turn, if an "-Oni" card inflicts Effect Damage to your opponent: Inflict 500 damage to you opponent, then all face-up monsters you opponent controls lose ATK equal to the total Effect Damage you inflicted this turn until your opponent's next End Phase. While this card is attached to an "-Oni" Xyz Monster as Xyz Material: That Xyz Monster gains this card's effect(s).

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/LEVEL3Damsel-Oni.jpg[/IMG]
[color=#ff8c00][b]Damsel-Oni[/b][/color]
If a face-up "-Oni" monster you control is targeted for an attack: Inflict 500 damage to your opponent. While this card is attached to an "-Oni" Xyz Monster as Xyz Material: That Xyz Monster gains this card's effect(s).

[/spoiler]

[spoiler=Spells/Traps]

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/SPELLRage-of-Oni.jpg[/IMG]
[color=#00ff00][b]Rage-of-Oni[/b][/color]
Inflict 500 damage to your opponent, plus another 300 damage for each face-up "oni" monster on the field. During your Draw Phase: You can add this card from your Graveyard to your hand instead of your normal draw.

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/TRAPDecoy-Oni.jpg[/IMG]
[color=#cc0033][b]Decoy-Oni[/b][/color]
If this face-down card is destroyed by a card effect and sent to the Graveyard: Inflict 1000 damage to your opponent. Then, you can target 2 Level 3 "-Oni" monsters in your Graveyard; Special Summon those targets, but they cannot activate their effects this turn.

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/TRAPLandmine-Oni.jpg[/IMG]
[color=#cc0033][b]Landmine-Oni[/b][/color]
If this face-down card is destroyed by a card effect and sent to the Graveyard: Inflict 1000 damage to your opponent. Then, you can destroy 1 card your opponent controls.

[/spoiler]

[spoiler=Extra Deck monsters]

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/RANK9Dai-Goka-Oni.jpg[/IMG]
[color=#000000][b]Dai-Goka-Oni[/b][/color]
3 Level 7 Fiend-Type Monsters
You can also Xyz Summon this card by using a Rank 3 "-oni" Xyz Monster you control that was not Xyz Summoned this turn as the Xyz Material. (Xyz Materials attached to that monster also become Xyz Materials on this card.) If this card battles an opponent's monster, before damage calculation: You can detach 1 Xyz Material from this card; inflict damage to your opponent equal to the ATK of the opponent's battling monster, then destroy all other face-up monsters your opponent controls with ATK equal to the damage inflicted.

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/RANK7Assault-Arms-Oni.jpg[/IMG]
[color=#000000][b]Assault-Arms-Oni[/b][/color]
3 Level 7 Fiend-Type Monsters
You can also Xyz Summon this card by using a Rank 3 "-Oni" Xyz Monster you control that was not Xyz Summoned this turn as the Xyz Material. (Xyz Materials attached to that monster also become Xyz Materials on this card.) Each time your opponent Sets a Spell/Trap Card(s): Inflict 300 damage to your opponent. Once per turn: You can detach 1 Xyz Material from this card; flip all face-down Defense Position monsters face-up. (Flip Effects are not activated at this time), then inflict 500 damage to your opponent for each face-up card on the field.

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/RANK3Colossus-Oni.jpg[/IMG]
[color=#000000][b]Colossus-Oni[/b][/color]
2 Level 3 Fiend-Type Monsters
Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up monster your opponent controls; inflict damage to your opponent equal to half that monster's current ATK, then 1 face-up "-oni" monster you control gains ATK equal to the amount of damage inflicted until your opponent's next End Phase.

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/RANK3Lightning-Oni.jpg[/IMG]
[color=#000000][b]Lightning-Oni[/b][/color]
2 Level 3 Fiend-Type Monsters
Once per turn: You can detach 1 Xyz Material from this card; inflict 400 damage to your opponent for each card on the field. If you do, this card cannot attack this turn.

[IMG]http://i898.photobucket.com/albums/ac187/Deraj_2010/Oni%20Level%204/Oni%20Level%203/RANK3Cruel-Oni.jpg[/IMG]
[color=#000000][b]Cruel-Oni[/b][/color]
2 Level 3 Fiend-Type Monsters
If this card is targeted for an attack: You can detach 1 Xyz Material from this card to target the attacking monster; negate that attack, and inflict damage to your opponent equal to that target's ATK. When this card is targeted for an attack, while it has no Xyz Materials: Destroy this card.

[/spoiler]

[Just Crouton]

Updated with new, simpler names, and added Assault-Arms-Oni.