Gishki Deck Breakdown
Territory of the Sharks
Main: 30 Extra: 8
Swap Frog
ATK:
1000
DEF:
500
You can Special Summon this card (from your hand) by discarding 1 other WATER monster. When this card is Summoned: You can send 1 Level 2 or lower WATER Aqua monster from your Deck or face-up field to the GY. Once per turn: You can return 1 monster you control to the hand; you can Normal Summon 1 "Frog" monster during your Main Phase this turn, except "Swap Frog", in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)
Swap Frog
ATK:
1000
DEF:
500
You can Special Summon this card (from your hand) by discarding 1 other WATER monster. When this card is Summoned: You can send 1 Level 2 or lower WATER Aqua monster from your Deck or face-up field to the GY. Once per turn: You can return 1 monster you control to the hand; you can Normal Summon 1 "Frog" monster during your Main Phase this turn, except "Swap Frog", in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)
Swap Frog
ATK:
1000
DEF:
500
You can Special Summon this card (from your hand) by discarding 1 other WATER monster. When this card is Summoned: You can send 1 Level 2 or lower WATER Aqua monster from your Deck or face-up field to the GY. Once per turn: You can return 1 monster you control to the hand; you can Normal Summon 1 "Frog" monster during your Main Phase this turn, except "Swap Frog", in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)
Fishborg Launcher
ATK:
200
DEF:
100
If you have a monster(s) in your Graveyard other than "Fishborg Launcher", and all of them are WATER: You can Special Summon this card from your Graveyard. If you do, banish it when it leaves the field. This card cannot be used as a Synchro Material Monster, except for the Synchro Summon of a WATER monster. You can only use the effect of "Fishborg Launcher" once per turn.
Gishki Aquamirror
This card can be used to Ritual Summon any "Gishki" Ritual Monster. You must also Tribute monsters from the field or your hand whose total Levels equal the Level of the Ritual Monster you Ritual Summon. You can shuffle this card from the Graveyard into the Deck to target 1 "Gishki" Ritual Monster in your Graveyard; return that target to the hand.
Marincess Coral Anemone
ATK:
2000
LINK-2
Link Arrow:
Left
Bottom
2 WATER monsters You can target 1 WATER monster with 1500 or less ATK in your GY; Special Summon it to your zone this card points to, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters. If this card is sent from the field to the GY: You can target 1 "Marincess" card in your GY, except "Marincess Coral Anemone"; add it to your hand. You can only use each effect of "Marincess Coral Anemone" once per turn.
Marincess Coral Anemone
ATK:
2000
LINK-2
Link Arrow:
Left
Bottom
2 WATER monsters You can target 1 WATER monster with 1500 or less ATK in your GY; Special Summon it to your zone this card points to, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters. If this card is sent from the field to the GY: You can target 1 "Marincess" card in your GY, except "Marincess Coral Anemone"; add it to your hand. You can only use each effect of "Marincess Coral Anemone" once per turn.
Mistar Boy
ATK:
1400
LINK-2
Link Arrow:
Bottom-Left
Bottom-Right
2 WATER monsters All WATER monsters on the field gain 500 ATK and DEF, also all FIRE monsters on the field lose 400 ATK and DEF. If this card is destroyed by battle or card effect: You can target 1 WATER monster in your GY; add it to your hand. You can only use this effect of "Mistar Boy" once per turn.
Abyss Dweller
ATK:
1700
DEF:
1400
2 Level 4 monsters While this card has a material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn (Quick Effect): You can detach 1 material from this card; your opponent cannot activate any card effects in their GY this turn.
Full Armored Black Ray Lancer
ATK:
2100
DEF:
600
3 Level 4 WATER monsters You can also Xyz Summon this card by using a Rank 3 WATER Xyz Monster you control that has no Xyz Materials as the Xyz Material. This card gains 200 ATK for each Xyz Material attached to it. If this face-up card would be destroyed, you can detach all of its Xyz Materials instead. If this card destroys an opponent's monster by battle: You can target 1 Spell/Trap Card your opponent controls; destroy that target.
Number 37: Hope Woven Dragon Spider Shark
ATK:
2600
DEF:
2100
2 Level 4 WATER monsters When any player's monster declares an attack: You can detach 1 Xyz Material from this card; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. When this card is destroyed by battle or card effect and sent to the Graveyard: You can target 1 other monster in your Graveyard; Special Summon it. You can only use each effect of "Number 37: Hope Woven Dragon Spider Shark" once per turn.
Number 47: Nightmare Shark
ATK:
2000
DEF:
2000
2 Level 3 monsters When this card is Special Summoned: You can attach 1 Level 3 WATER monster from your hand or your side of the field to this card as an Xyz Material. Once per turn: You can detach 1 Xyz Material from this card, then target 1 WATER monster you control; this turn, that monster can attack your opponent directly, also other monsters cannot attack.