Don't Trust the Bird

Made for Domain Format, a format with a deckmaster   https://discord.gg/jGkRCJkt3d

I think of this deck as a bird repeatly eatting its friends from deck. Won't you join me in that thought? 
The deckmaster, the card that we will have indefinite access to until we are out of the Domain Game, is Cocatorium the Heavy Metal Avian 
It banishes a card from ~~~Deck~~~ to copy its name, attribute, type, and level! Let the Shinnagins begin!

So, eat the Zoodiac, gain the name and reap the benefits of Zoodiac Broadbull all to yourself! Add the Tri-Brigade Fraktall and combo off with one card! (Use Zoodiac Chakanine to reborn and link into Tri-Brigade Ferrijit the Barren Blossom to summon Fraktall)

Eat the Spiritual Beast Rampengu, trick the tamers into thinking you're one of their own so they can give you Ritual Beast Steeds and Ritual Beast Ambush . You'll only need to Normal summon out any Ritual Beast Tamer and you can use it with Cocatorium to Contact Fuse into Ritual Beast Ulti-Cannahawk ! (Loop it 4 times the Ritual Beast way to add 4 cards!)

Devour the Scareclaw card, to Link Summon into a Scareclaw Light-Heart adding the Primitive Planet Reichphobia ! Voila, you've ensured access to a removal of an opponent's card this turn and further turns as well!

Set the migrating Birds on a journey through the Stomach, putting Floowandereeze & Robina  in rotation to be added to hand the next time you normal summon your Deckmaster (but you cannot Special Summon the turn you do). We all know how persistant Floowandereeze is, the advantages they bring!

The Ancient Warriors strom into play, with big powerful statlines and amazing board clearing effects, all you need to get them started is to summon or impersonate a Ancient Warriors - Virtuous Liu Xuan ! As a Wind-attribute Ancient Warrior, Link into the Ancient Warriors Oath - Double Dragon Lords for the ablity to add any "Ancient Warrior" Card to hand and combo ~

Have Fun eating your allys -

Cocatorium the Kirby


COMBOS

Ritual Beast  
https://www.duelingbook.com/replay?id=1038951-49016216

Ancient Warrior https://www.duelingbook.com/replay?id=1038951-49016787

Zoodiac Tri  https://www.duelingbook.com/replay?id=1038951-49017008

Speedroid Shenshen https://www.duelingbook.com/replay?id=1038951-49029054 is a deckmaster that can change its name, Type, and Attribute. This allows for accessing multiple archetypes without needing to rely on drawing their combo piece, as Cocantorium just changes its own name to steal their extra deck options from them

Currently there are 2 route I have figured out:

Zoodiac

Scareclaw

1) Zoodiac

Zoodiac is quite obvious if you are already familiar with them. They are a one-card-XYZ stacking series of cards. In this deck, the ultimate goal is to obtain access to through . After that Chalkaine will summon a Zoodiac from GY so we can go into Ferrijitt, who summons Fraktall

The Tri Brigade line that I opt for in this deck is stunted, rather than use the ability of Fraktall to send Nerval and add Kerass to extend the combo, I would end on just banishing 2 for Bearbrum. Next using Bearbrum to obtain the Zoodiac from Banished back and going into < Tiger King>

Tiger king will set Tenki, which adds a Beast Warrior to hand

Use the cards to go into a Rugal and set TriBrigade Revolt. I opt for Rugal over Apollousa for its ability to add Fraktall back to hand

2) The Ancient Warriors

The next turn is where we aim to do significant damage. Adding the Ancinet Warrior LiuXuan from the Tenki we set last round (Fire King) atarts our whole combo. You will utilize the Scareclaw package here

The goal is to destroy 3 cards. 

One, with the Double Dragon Oath, another with Donner, Dagger Fur Hire, and the last with the Primitive Planet Reichheart (from Scareclaw Engine)

You will additionally have :

1. 7600 attack on the board

2. the potential to pop 2 more cards the next turns after this

3. Opponents must pay 400 Lp to activate effects

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The last pieces of the deck are loose and not tied or searched easily

1)  Simorgh Bird of Perfection can obviously be made whenever, especially with our Deckmaster being a winged beast that can summon itself from GY

Harpies should be summoned for it, Cocantorium can use Harpie spells by copying Harpie Lady 

Some good utility banishes Cocantorium can do from deck are the Floowandeeeze, TriBrigade Mercourior, and Lunalight 

Floowandereeze needs nearly no explaination as they can be added from the banished pile to the hand, and go into a long chain of normal summons that do not utilize the extra deck

The Mercourior when banished will add Springans Kitt. When summoned, Kitt can add the Branded Theater, a polymerization spell. You will poly into a very simple beatstick in , hopefully allowing you to return to the game. If Brigand is in the GY, Springans Kitt can also act as an extender by special summoning itself

Lunalight Kaledo Chick, when banished, has an effect that restricts your opponent from activating Spells Traps or Monster Effects in the Battle Phase. This is useful for Finishing off an opponent without worry of their backrow 

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Spritual Beasts aim to end on the Spritual Beast Apelio", Link-2 and Ulti-Cannahawk, with 2 set cards: Ritual Beast Amubush (revive 2 ritual beasts) and Ritual Beast Steeds (pop monsters on field equal to number of ritual beasts controlled). This is a 2-turn combo

To do this, I will need to play nearly every Ritual Beast Main deck card, as well as 3 extra deck Ritual Beasts

This may seem like it blows gas too freely, however, the Ritual Beasts ED cards have effects that return themselves to ExtraDeck, so the combo is recursive

The connection between Ritual Beasts and Concantorium is Spiritual Beast Rampengu (beast)

Summoning any Ritual Beast Tamer and then the Concantorium (name chaning) will allow me to access Ulti-Cannahawk through Contact Fusing. (alternate summoning condition)

However, before that, we will want to wait. This is due to Main Deck Ritual Beasts having the restriction that each card can only be special summoned once per turn, and the jankyness of using Concanium conflicts with a standard combo route. 

Thus, we will contact fuse into Ulti-Pettle instead. This card cannot be destroyed by card effects, and has 2800 def - hopefully it will live. 

Defuse the Ulti-Pettle before the end of your oppoennt's turn, and on your next turn use Ulti-Cannahawk to add cards in this order: Cannahawk, Laura, Ambush, Steeds

(Normal Summon Cannahawk)

A benefit of the Ritual Beasts is that they spam the board like crazy once they get started. 

You can most defiently go into XYZ Rank 4's - there will be a point in the combo with 3 WIND LV4 Monsters, and more in the end of the combo. The turn after you gain the main goal of the combo, You can utilize Ulti-Cannahawk once again to add monsters who on Normal will special another Ritual Beast from GY/Banished.

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The combo is rather easy to execute, but can be interrupted quite easily both before and during the turn. 

Any removal of the Ulti-Pettlefin made turn 1 will mess up the setup. 

Any negation of Ulti-Cannahawk's search effect will stunt the board

Any removal of Ritual Beasts monsters mid-combo will end the combo

Some benefits of adding Spiritual Beasts is that every spiritual Beast is a reasource. Pettlefin, that will be summoned through the combo, can use ritual beasts in hand as fuel to bounce an opponent's card, in addition to this benefit, the banished card will now be in rotation and easily summonable

A specific benefit of this 2 turn combo specifically is that there is no need to always do the combo the turn after its set up. Pettlefin stays indestructible to card effects while its face up on the field, and ritual beasts combo do not archtype lock in any way. Leaving it on field and doing other combos is a perfectly valid choice.

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For ShenShen:

Banish @Ignister Pegusus (lv7), reveal Double Yo-yo, Terrortop

@Ignister is used due to its Synergy with Shenshen, who can return it to GY where it has an effect to shuffle back an opponent's card if one of my cards is destroyed

The combo goes as follow:

1. Use Rubber Band Shooter second effect, hopefully adding the Double Yo-yo

2. Use the First effect of Rubber Band shooter to normal summon the Double Yo-yo, who will then special the Terrortop from GY, who will add teh Taketamborg

3. Taketamborg special summons itself, then tributes itself to special summon the Red Eye Dice

4. Red Eye Dice will then level modulate any other Speedroid so their levels equal 9 - and with Red Eye Dice as a tuner go into Shenshen

If Terrortop is added instead (lost 50/50), you can still go Taketamborg -> Red Eye Dice, but would be missing another 2 levels to add  up to 9

If I had 1 more extra deck space, I could add Cork shooter - which would open more possibilities (but mostly in the synchro department)

I ended up not using Metal Marsher, Windwitch, or hop ear, because I found that their levels were too awkward with the levels of my main deck monsters