Abyss-scorn
Normal TrapTarget 1 "Mermail" monster you control; it gains 1000 ATK until the End Phase. When this Set card is sent to the Graveyard: Target 1 monster your opponent controls; send that target to the Graveyard.
Abyss-sphere
Continuous TrapSpecial Summon 1 "Mermail" monster from your Deck. Its effects are negated. You cannot activate any Spell Cards. When this card leaves the field, destroy that monster. Destroy this card during your opponent's next End Phase after activation.
Abyss-squall
Normal TrapTarget 3 "Mermail" monsters in your Graveyard; Special Summon those targets in face-up Defense Position. Their effects are negated and they cannot declare an attack. Destroy them during the End Phase.
Abyss-steam
Normal TrapDraw cards equal to the number of different Monster Types among the monsters you control that are Fish, Sea Serpent, or Aqua monsters, also until the end of your next turn after this card resolves, you cannot Special Summon from the Extra Deck, except WATER monsters. If a face-up WATER monster(s) you control is destroyed by battle or card effect, while this card is in your GY: You can banish this card; add 1 "Mermail" monster from your GY or banishment to your hand. You can only use each effect of "Abyss-steam" once per turn.
Abyss-strom
Normal TrapSend 1 face-up "Umi" you control to the Graveyard; send all Spell and Trap Cards on the field to the Graveyard.