Atlantean Support [Written]

[Thomas★Zero]

Atlantean Soldier
lv 3 WATER
Sea Serpent/Effect
If you control a Sea Serpent Monster, you can Special Summon this card (from your hand.) You can only Special Summon "Atlantean Soldier" once per turn this way. If this card is sent to the GY to activate a WATER monster's effect: You can Special Summon 1 Level 3 or lower "Atlantean" monster except "Atlantean Soldier" from your Deck or GY. You can only use this effect of "Atlantean Soldier" once per turn.
ATK/1500 DEF/200

Atlantean Brigadier
lv 4 WATER
Sea Serpent/Effect
(Quick Effect): You can send 1 Sea Serpent Monster from your hand or field to the GY and target 1 card your opponent controls; destroy the targeted card. If this card is sent to the GY to activate a WATER Monster's effect: You can target 2 "Atlantean" monsters except "Atlantean Brigadier" in your GY; Special Summon 1 of them and add the other to your hand. You can only use each effect of "Atlantean Brigadier" once per turn.
ATK/1800 DEF/0

Great Poseidra, the Atlantean Sea Dragon
WATER
Link: DL, D, DR
Sea Serpent/Link/Effect
3 WATER Monsters
All monsters your opponent controls lose 100 ATK for each WATER monsters in your GY with different name. You can only use the following effects of "Great Poseidra, the Atlantean Sea Dragon" once per turn.
* (Quick Effect): You can send 3 Level 3 or lower WATER monsters from your hand or field to the GY; Special Summon this card from your GY.
* If a WATER monster is summoned to a zone this card points to: You can Special Summon as many Level 3 or lower WATER monsters from your GY to zones this card points to, also for the rest of this turn, you cannot Special Summon monsters except WATER monsters.
ATK/2800 LINK-3

Atantean Citadel Atlantis 
Field Spell Card
After activation: Add 1 "Atlantean" Spell/Trap Card except "Atlantean Citadel Atlantis" from your Deck to your hand. All Sea Serpent Monsters gain 500 ATK and DEF. Once per turn: you can target 1 Level 3 or lower "Atlantean" monster in your GY; add the targeted card to your hand or Special Summon it. If this card is sent from the field to the GY: Add 1 "Poseidra, the Atlantean Dragon" from your Deck or GY to your hand. You can only activate 1 "Atlantean Citadel Atlantis" per turn.

Roar of the Atlantean Sea Dragon
Counter Trap Card
If you control a "Poseidra" monster, you can activate this card from your hand. Activate this card when your opponent activates a Spell/Trap Card or Monster effect while you control a "Atlantean" monster. Negate the activation and destroy it, then, if you control 3 or more "Atlantean" monsters, Set this card instead of sending it to the GY. You can only activate 1 "Roar of the Atlantean Sea Dragon" per turn.