Six Samurai infinite loop FTK/OTK

It's almost 3 months since I last posted something here.

Here to talk about Six Samurai infinite loop Gagaga Gunman.

Gagaga Gunman
Rank 4 Earth Attribute
Warrior / Exceed / Effect
Atk/1500
Def/2400

2 Level 4 monsters

Once per turn: You can detach 1 Exceed Material from this card; apply 1 of these effects depending on this card's battle position. ● Attack Position: This turn, during the Damage Step only, if this card attacks an opponent's monster, it gain 1000 ATK, and the attack target loses 500 ATK. ● Defense Position: Inflict 800 damage to your opponent.

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Using Gagaga Gunman to perform OTK / FTW with Six Samurai deck.

Method 1 : Shinai and Mizuho infinite counter (similar to the trishula loop)
Example of hand card needed: Gateway, Dojo, Mizuho/Reinforcement/Smoke Signal, Shinai/Reinforcement/Smoke Signal.

Step 1 - Start off by activating Gateway and Dojo.
Step 2 - Summon Mizuho or Shinai(2:1) and special summon the other one(4:2).
Step 2 - Remove 4 counters(2:0) and search for a Mizuho and special summon it(4:1)
Step 3 - Activate one of the Mizuho effect and tribute Shinai and destroy the Mizuho you use for the effect. and Shinai's effect activate and take Mizuho back to the hand.
Step 4 - Remove 4 counters(0:1) and take Shinai back to hand.
Step 5 - Special summon Shinai(2:2) and Mizuho(4:3).
Repeat step 3 - 5 and tell you opponent you will be doing it until infinite counters and stop at Step 3.
Ending field will be Mizuho, Gateway and Dojo with infinite counters.

Step 6 - Filter your deck with Gateway's second effect by adding all the Six Samurai monsters from your deck to your hand.
Step 7 - Send Dojo to the graveyard and special summon Shien's Squire from the deck.
Step 8 - Special summon Grandmaster of the Six Samurai and use it with Shien's Squire and turn it into Brionac.
Step 9 - Special summon 2 Kizan from your hand and exceed both of it to Gagaga Gunman in defense position and use it's effect.
Step 10 - Use Brionac's effect to return Gagaga Gunman back to the Extra deck.
Step 11 - Remove 4 counters to add Kizan to your hand from your graveyard twice and special summon it again.
Repeat step 9 - 11 until you win the game.

Method 2 : Loop similar to the Ouroboros build.
Example of hand card needed: Gateway, 2 Dojo/United, Hand of the Six Samurai/Smoke Signal/Reinforcement.

Step 1 - Start off by activating Gateway and the 2 other cards that generate counters.
Step 2 - Normal summon Hand of the Six Samurai(2:1:1)
Step 3 - Remove 4 counters and search for Grandmaster of the Six Samurai and special summon it(2:1:1)
Step 4 - Remove 4 counters and search for Kizan and special summon it(2:1:1) and do it again until you got 2 Kizan on the field(2:1:1).
Step 5 - Turn both of the Kizan into Gagaga Gunman in defense position and use the effect.
Step 6 - Activate Hand of the Six Samurai's effect and tribute Grandmaster of the Six Samurai and destroy Gagaga Gunman.
Step 7 - Remove 4 counters and search for Grandmaster of the Six Samurai and special summon it(2:1:1)
Repeat step 4 - 7 until you got 3 Gagaga Gunman in the graveyard and stop at step 4.
Step 8 - Turn both of the Kizan into Daigusto Emeral and use the effect to return all Gagaga Gunman to your extra deck.
Step 9 - Activate Hand of the Six Samurai's effect and tribute Grandmaster of the Six Samurai and destroy Daigusto Emeral. Repeat step 4 - 7 until you got 2 Gagaga Gunman in the graveyard and stop at step 4.
Step 10 - Turn both of the Kizan into Daigusto Emeral and use the effect to return 2 Gagaga Gunman and 1 Daigusto Emeral to your extra deck. Repeat step 3 - 10 until you win the game.