Generation Fish

Generation Fish (a name given to it by Konami themselves ) is a Deck type that received most of its support in the Generation Force set and revolves around banishing your own Fish, Sea Serpent, and Aqua-Type monsters (chiefly WIND rather than the expected WATER) in order to gain field advantage or to inflict damage to your opponent. Other names for this Deck Type are "Banish Fish", "Banfish" and "Banishark".

Strategy
A Generation Fish Deck relies on banishing Fish-, Aqua-, and Sea Serpent-Type monsters to trigger effects and for cheap removal. First, when your Fish, Aqua, or Sea Serpent is banished, "Wingtortoise" Special Summons itself from either your hand or Graveyard, creating advantage and ensuring some protection. Combined with "Air Orca", "Flyfang", and "Skystarray", you can easily get one or more "Wingtortoise" out each turn. Also, since most of the monsters are Level 3, they can be used to Xyz Summon Rank 3 Xyz Monsters, such as "Leviair the Sea Dragon", which can Special Summon Level 4 or lower Banished monsters, or "Number 17: Leviathan Dragon", which rapidly overpowers most other monsters.

Because of the Types involved, "Spined Gillman" is a good support card, boosting the ATK of "Wingtortoise" and "Flyfang" to decent levels. "Deep Sea Diva" can search "Gillman" as well as "Air Orca" and "Skystarray" for support or a Synchro Summon. With the release of "Shark Sucker" in Photon Shockwave, the Deck gained the ability to make multiple Rank 3 Xyz Monsters in a single turn and return multiple monsters (via "Leviair") for Xyz and Synchro Summons.

Weaknesses
The majority of Generation Fish is dependent on Xyz Summons to produce big monsters and gain advantage. Without them, this Deck is dismally low on ATK power. This Deck also takes time to set up, relying heavily on Special Summons to avoid losing ground, and is vulnerable to effects that can permanently remove "Wingtortoise" from the Graveyard, such as "Dimensional Fissure".

Cards like "Imperial Iron Wall" and "King Tiger Wanghu", if played early, can dismantle the Deck, as "Airorca" cannot pay the cost for their removal.

Monster Cards

 * Wingtortoise
 * Airorca
 * Flyfang
 * Skystarray
 * Spined Gillman
 * Deep Sea Diva
 * Shark Sucker
 * Killer Frilled Shark
 * Lost Blue Breaker

Spell Cards

 * Gold Sarcophagus
 * Surfacing
 * Salvage
 * Fish and Kicks
 * Fish and Swaps
 * Level Limit - Area B
 * Dimensional Fissure

Trap Cards

 * Oh F!sh!
 * Forgotten Temple of the Deep
 * Gravity Bind
 * Underworld Egg Clutch

Extra Deck

 * Ally of Justice Catastor
 * Sea Dragon Lord Gishilnodon
 * Number 17: Leviathan Dragon
 * Leviair the Sea Dragon

Dark Simorgh
This build uses "Airorca" and other Generation Fish cards along with DARK monsters to Special Summon "Dark Simorgh". It can also Synchro Summon many powerful Synchro Monsters such as "Trishula, Dragon of the Ice Barrier", as well as Xyz Monsters like "Leviair the Sea Dragon" and "Number 17: Leviathan Dragon".

Fish/Burn
This deck is based on chipping away the lifepoints of your opponent while still retaining the strategy of the original deck. The key cards of this deck are "Skystarray", "Swords of Revealing Light" and "Drill Barnacle". While using "Swords of Revealing Light" to protect "Drill Barnacle", "Drill Barnacle" can attack your opponent directly in the time the card is active and each time it lands a hit, it gains 1000 ATK. Unless your opponent stops your attack or destroys your card, "Drill Barnacle" can easily gain 3000 ATK while "Swords of Revealing Light" is active. Next to that, you also use "Skystarray" who has an infinite loop of attacking your opponent directly and banning itself only to return during your next Standby Phase so it can attack again.

Monster Cards

 * Drill Barnacle
 * Skystarray
 * Wingtortoise
 * Airorca
 * Deep Sea Diva
 * Spearfish Soldier

Spell Cards

 * Swords of Revealing Light
 * Gold Sarcophagus
 * Heavy Storm
 * Mystical Space Typhoon
 * Aqua Jet
 * Level Limit - Area B
 * Surface
 * Salvage
 * Fish and Kicks
 * Fish and Swaps

Trap Cards

 * Gravity Bind
 * Oh F!sh!
 * Underworld Egg Clutch

Extra Deck

 * Number 17: Leviathan Dragon
 * Submersible Carrier Aero Shark
 * Leviair the Sea Dragon