Ancient Gear Cards:

Mechanized Melee!
Spell/Continuous
When an "Ancient Gear Golem" on your side of the field deals damage to your opponent's life points, you may special summon 1 Level 4 or lower machine-type monster with "Ancient Gear" in the name. If "Ancient Gear Castle" is also in play, you may special summon 1 Level 6 or lower machine-type monster with "Ancient Gear" in the name instead.

Ancient Gear Graveyard
Spell/Field
When a monster with "Ancient Gear" in the name is sent from the field to the graveyard, you may remove it from play instead and add counters to this card equal to the level of the monster (Max 8). Once per turn, you may special summon a monster equal to the number of counters on this card or remove all counters to put all "Ancient Gear" monsters into your graveyard from out of play.

Ancient Gear Magician (DARK)
5-Star
1800/1200
Machine/Effect
This monster cannot be special summoned. When this monster attacks, no traps can be activated during the battle. When you play a spell card with "Ancient Gear" in the name, add a spell counter to this card. THis card gains 300 Attack and Defense points for every counter on this card. If "Ancient Gear Graveyard" is on the field before the spell card is played, this card recieves two spell counters instead. When this card has 10 Spell Counters, you may remove them all in order to special summon as many "Ancient Gear" monsters from your graveyard onto the field as possible. You may then offer this card as a tribute to allow all "Ancient Gear" monsters attack directly.

Reprogrammed Ancient Gear of Dark World (DARK)
6-Star
2000/1600
Machine/Effect
When this card is discarded from your hand to the graveyard by a card effect, it is special summoned onto your side of the field. If the card effect belonged to your opponent, your opponent removes every non-machine type monster from their field from play and shows you all of their face down spells or traps and destroys all traps. When this monster attacks, no traps can be activated during the battle.

Elemental Hero Ancient Flare Golem (FIRE)
10-Star
3500/2100
Machine/Fusion/Effect
Ancient Gear Golem + Elemental Hero Flame Wingman
This card cannot be special summoned other than Fusion Summon. When this card is fusion summoned sucessfully, all monsters on your opponent's side of the field change battle position. When this monster attacks an opponent's monster, no traps can be activated. When this monster destroys a defense position monster as a result of battle, the difference between the destroyed monster's defense points and this monster's attack points are dealt to the opponent as battle damage. When this monster destroys a monster, that monster's attack points are dealt to the opponent as effect damage. If this monster deals effect damage, destroy one spell or trap card on your side of the field.

Cybernetic Ancient Gear (LIGHT)
2-Star
?/?
Machine/Effect
This card cannot be normal summoned. This monster's original attack and defense points are equal to the number of "Ancient Gear" monsters in the graveyard x 400. When this monster declares an attack, no trap cards can be activated for the rest of the entire battle phase.

Cyber Dragon Cards:

Perfect Cyber Dragon (LIGHT)
7-Star
3500/2100
Machine/Effect
This monster is treated as two "Cyber Dragons" while on the field. When your opponent has three more monsters than you do, this monster can be special summoned from your hand for no tribute.

Strident Beam! (I think that's the anime name for Cyber Dragon's attack... X.X)
Spell/Continuous
When a "Cyber Dragon", "Cyber Twin Dragon", or "Cyber End Dragon" deals damage to your opponent's life points, special summon 1 "Cyber Dragon Token" (5-Star/ATK1000/DEF1000/Machine/Effect/Three turns after this token is summoned, you may offer it as a tribute to special summon 1 "Cyber Dragon" from your deck or graveyard.) on your sie of the field.

Elemental Hero Elixier the Cyber End Dragon Knight (LIGHT)
12-Star
5000/2500
Machine/Fusion/Effect
Cyber End Dragon + Elemental Hero Elixier
This monster cannot be special summoned except by Fusion Summon. One of the proper fusion-material monsters has to be face up on your side of the field. This card is treated as EARTH, WATER, FIRE, and WIND Attribute. This card's attack and defense are increased by 300 for every monster on your opponent's side of the field with the same atribute as this card. When this monster attacks a defense position monster, the difference between the defense of the defending monster and the attack of this monster is dealt to your opponent as battle damage. When this monster would be destroyed and sent to the graveyard, return it to the fusion deck and special summon one "Elemental Hero Elixier" and one "Cyber End Dragon" from your graveyard onto the field. You must wait until the end of your opponent's next turn to Fusion Summon this card again.

True Cyber End Dragon
9-Star
?/?
Machine/Fusion/Effect
Cyber Laser Dragon + Cyber Barrier Dragon + Cyber End Dragon
This monster is treated as "Cyber End Dragon" while on the field. This monster cannot be special summoned except by Fusion Summon. This monster cannot be Fusion Summoned except by the proper fusion material monsters. This monster's original attack and defense points are equal to the combined attack and defense of all three fusion material monsters respectively. This card is unaffected by spells, traps, or effects of effect monsters. This monster may attack all monsters on your opponent's side of the field, but not directly. When this monster is in defense position, your opponent takes 1000 points of damage every one of their standby phases. When your opponent takes effect damage from this monster, your opponent discards his or her hand.

Roids

Busroid
2-Star
1200/0
When this monster is destroyed as a result of battle, you may special summon up to three machine-type monsters with an attack of 1500 or less from your hand, deck and graveyard onto the field.

Alien Invasion
Spell/Quick-Play
You may only play this card when a "UFOroid" on your side of the field was destroyed as a result of battle. Special summon 3 "UFOroids" from your hand, deck and graveyard into play in defense position.

Sting Operation
Spell/Quick-Play
Offer one Machine-type monster with an attack of 1500 or less on your side of the field to special summon three "Patroids" from your hand, deck and graveyard onto the field in face-down defense position. If they are flipped this turn, you may flip them face down once.

UFOroid Magician
8-Star
?/1200
Machine/Fusion/Effect
UFOroid + One Spellcaster-type monster
This monster cannot be special summoned except by fusion summon. This monster cannot be fusion summoned except with the proper fusion material monsters. The attack power of this monster is equal to the combined attack power of all fusion-material monsters. This monster gains the effects of both fusion material monsters. You may remove a spell counter on this card to destroy one non-machine type monster on the field.

Nice. How long did it take you to make all these, Ginkan?

Between 15 and 30 minutes for the lot.

Your fast. It would probably take me 2-3 minutes to think of a name.