Wetlands

Archfiend of the Swamp
Level 2 WATER Aqua/Effect
1200/0
If you control "Wetlands", you can Special Summon this card (from your hand). You can only Special Summon "Archfiend of the Swamp" once per turn this way. When your opponent activates a card or effect that targets a "Wetlands" in your Field Zone (Quick Effect): You can banish this card from your GY; negate the effect. You can only use this effect of "Archfiend of the Swamp" once per turn.

Doppelganger of the Swamp
Level 2 WATER Aqua/Glitch/Effect
1100/600
If this card is Normal or Special Summoned: You can Special Summon 1 Level 2 WATER Aqua monster from your hand, except "Doppelganger of the Swamp". You can only use this effect of "Doppelganger of the Swamp" once per turn. Once per turn, if you control "Wetlands": You can target 1 Spell/Trap your opponent controls; destroy it.
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If you Special Summon a monster that is not a Level/Rank 2 WATER Aqua monster: Change that monster to face-down Defense Position.

Mercenary of the Swamp
Level 2 WATER Aqua/Glitch/Effect
1200/700
If this card is Normal or Special Summoned: You can add 1 Level 2 WATER Aqua monster that mentions "Wetlands" from your Deck to your hand, except "Mercenary of the Swamp". You can only use this effect of "Mercenary of the Swamp" once per turn. Once per turn, if you control "Wetlands": You can target 1 face-up monster your opponent controls; it loses 400 ATK/DEF until the end of this turn.
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If you Special Summon a monster that is not a Level/Rank 2 WATER Aqua monster: Change that monster to face-down Defense Position.

Hitman of the Swamp
Level 2 WATER Aqua/Glitch/Effect
1300/800
If this card is Normal or Special Summoned: You can add 1 Level 2 WATER Aqua monster that mentions "Wetlands" from your GY to your hand, except "Hitman of the Swamp". You can only use this effect of "Hitman of the Swamp" once per turn. Once per turn, if you control "Wetlands": You can target 1 face-up monster your opponent controls; negate its effects until the end of this turn.
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If you Special Summon a monster that is not a Level/Rank 2 WATER Aqua monster: Change that monster to face-down Defense Position.

Sniper of the Swamp
Level 2 WATER Aqua/Glitch/Effect
1400/200
If you control a Level 2 WATER Aqua monster that mentions "Wetlands", except "Sniper of the Swamp": You can Special Summon this card from your hand. You can only use this effect of "Sniper of the Swamp" once per turn. Once per turn, if you control "Wetlands": You can draw 1 card.
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If you Special Summon a monster that is not a Level/Rank 2 WATER Aqua monster: Change that monster to face-down Defense Position.

Cursed Fallen of the Swamp
Level 2 WATER Aqua/Effect
1200/1600
When this card is destroyed by battle and sent to the GY: You can Special Summon 1 Level 2 WATER Aqua monster that mentions "Wetlands" from your Deck, except "Cursed Fallen of the Swamp".

Poltergeist of the Marsh
Rank 2 WATER Aqua/Xyz/Effect
1600/1000
2 Level 2 WATER Aqua monsters
Your Level 2 WATER Aqua monsters can attack directly. Monsters cannot target this card for attacks while you control a "Wetlands" or a Level 2 WATER Aqua monster that mentions it. When your opponent activates a card or effect (Quick Effect): You can detach 1 material from this card; add 1 Level 2 WATER Aqua monster that mentions "Wetlands" from your Deck to your hand. You can only use this effect of "Poltergeist of the Marsh" once per turn.

Wraith of the Marsh
Rank 2 WATER Aqua/Xyz/Effect
2100/0
3 Level 2 WATER Aqua monsters
All Level 2 WATER Aqua monsters you control gain 600 ATK. Monsters cannot target this card for attacks while you control a "Wetlands" or a Level 2 WATER Aqua monster that mentions it. You can detach 1 material from this card; this turn, this card can attack directly, also other monsters you control cannot attack. You can only use this effect of "Wraith of the Marsh" once per turn.

Marsh of Sorrow
Field Spell
This card's name becomes "Wetlands" while in your Field Zone. All Level 2 WATER Aqua monsters you control gain 1200 ATK, also they cannot be destroyed by battle. Once per turn, when a Level 2 WATER Aqua monster you control destroys an opponent's monster by battle: You can draw 1 card.

Marsh of Despair
Field Spell
This card's name becomes "Wetlands" while in your Field Zone. All Rank 2 WATER Aqua Xyz Monsters you control gain 1200 ATK, also they cannot be destroyed by card effects.

Cursed Marshland
Field Spell
This card's name becomes "Wetlands" while in your Field Zone. All Level/Rank 2 WATER Aqua monsters you control gain 1200 ATK. You can only use each of the following effects of "Cursed Marshland" once per turn. You can pay 800 LP; add 1 "Wetlands" or 1 Level 2 WATER Aqua monster that mentions it, from your Deck to your hand. If this card is sent from the Field Zone to the GY: You can reduce your Glitch Cap by 1.

Rage of the Dead
Quick-Play Spell
When your opponent activates a monster effect that targets monster(s) you control that mentions "Wetlands": Negate that effect, and if you do, draw 1 card.

Curse of the Undertow
Normal Trap
Target 1 "Wetlands" you control and 1 card on the field; destroy both.

Curse of Despair
Counter Trap
When a Spell/Trap Card, or monster effect, is activated while you control a monster that mentions "Wetlands": Negate the activation, and if you do, destroy that card, then, if it was a Monster Card, inflict damage to your opponent equal to its original ATK. You can only activate 1 "Curse of Despair" per turn.