Mermail Atlantean Deck Breakdown

Starters:

+ (only 1 of these) + 1 of any card to discard

Endboard:

-3 cards from opponent's hand

Field:

GY: Hand:

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• Normal summon Loading... . Activate Loading... sending Loading... to Search for Loading... (if you have minstrel)/Loading... (if you have dragoons)
• Trigger Loading... searching for Loading... (if you don't have)/Loading... (if you don't have + you have minstrel)
• No matter your start, your hand should now have
• Activate Loading... discarding Loading... to banish a hand trap/card you want to return to their deck
• Loading... triggers to special summon an Loading...
• Mermail Loading... triggers discarding Loading... to search for Loading...
• Loading... triggers searching for Loading... .
• Loading... tribute Loading... on field to special Loading... from deck(if Coel is in your hand, you can make Abyss Keeper Link 2 to special from hand or use Abysstrite to reborn Coel from GY after discarding it for an effect)
• Loading... triggers special summoning Loading... from GY
• Special Summon Loading... discarding 2 cards from opponent's hand
• Loading... + Loading... overlay for Loading... Shark.
• Loading... shark detach Loading... to special Loading...
• Loading... triggers searching for Loading...
• Loading... detach Loading... XYZ material to add Dragoon in GY to hand
• Loading... + Loading... into Loading...
• Loading... activates special summoning Loading... from GY
• Loading... activates discarding Loading... to turn all monsters into level 7.
• Loading... triggers searching for a Loading... (could also be Infantry if you don't plan to make a S/T negate Dragite)
• If you don't have a Loading... in GY, you must discard the Loading... with Loading... effect.
• Overlay Loading... + Loading... into Loading... .
• Loading... triggers to special summon Loading... (if you want lvl 10 synchro) or Loading... (if you want lvl 8 S/T negate). You saw their hand with Loading... , you need to decide what is best.
• If/when you summon Loading... , trigger its effect to mill 3, then place Loading... to bottom of Deck ONLY if you do not have 2 already in the deck, Otherwise place a Loading... to the top of your deck.
• Overlay Loading... over Loading... .
• Link Loading... + Loading... to make Loading...
• Trigger Loading... discarding whatever you are willing to discard to special summon a Loading... /level 3 + level 3 + level 1 Loading... .
• Loading... trigger, if you haven't already, placing a Loading... ontop or Loading... to bottom of deck(to ensure you have 2 in deck)
• Synchro into Loading...
• Synchro Loading... + Coral into Loading... . Coral triggers to draw(which could be the Loading... you placed ontop)
• Loading... + lvl 3/Loading... = level 10 Synchro Aegirine(or whatever you are playing) or level 8 Synchro Dragite.
• Loading... discard Dragoons/anything you're willing to discard, that isn't Poseidra,(keep a water that isn't prince for Loading... ) to special 2 Loading... s from the deck.
• Dragoons trigger, searching for a 2nd Loading... .
• Overaly into Loading... /Kragen(based on what you saw in their hand)
• Special Loading... from hand, sending the 2nd Poseidra from the hand.
• Overlay Loading... + Loading... into Abyssgaios.
• Anything behind Loading... cannot be targeted.(some save a spot for the next play ->)
• Loading... in GY, whenever during the opp's turn, can discard the Loading... in hand to trigger its effect to special a Loading... from the graveyard which will bounce a card on the field to the hand, ideally sending Infantry IF there is another card on the field you'd like to destroy with Infantry's effect, otherwise you can just setup for follow-up.

Endboard:

-3 cards from opponent's hand

Field:

GY: Hand:

More in-depth combos: Combo Spreadsheet by