3 cutter shark (starter and your favorite normal summon)
3 lifeless leaffish (funny one card 3200 reef, and almost all cards used shuffled back into the deck and a draw)
3 right hand shark (right left)
3 lantern shark (in case needed)
1 double fin shark (revival)
3 xyz remora (best extender in deck, it’s even searchable!)
1 left hand shark (right left)
3 ash blossom and joyous spring (negate)
3 ghost belle and haunted mansion (negate)
3 nimble sunfish (part of combo)
1 nimble angler (mill option that players overlook, the main brick of the deck)
3 whitefish salvage (recycle, really helpful in this deck)
1 foolish burial (mill)
3 generation force (search any xyz card, including monsters!)
1 upstart goblin (draw)
2 xyz gift (draw)
3 xyz import (ARK a monster)
2 valiant shark lancer (can use other water xyz monsters overlay units, interruption)
1 number 32 shark drake (part of a remora play)
1 number C32 shark drake visis (rank up)
2 bahumat shark (toadally awesome card in general)
1 number 101 silent honor ARK (removal)
2 abyss dweller (floodgate and power up whole field)
2 toadally awesome (interruption, steal, and self recycle)
2 marincess Great Barrier Reef (main link 4 monster)
2 marincess coral anomie (extender)
Lifeless leaffish 1 card combo
Normal leaffish
Mill nimble angler
Angler effect summon 2 nimble sunfish
Link two of your monsters for coral anomie
Anomie summon monster
Link for Great Barrier Reef
Leaffish effect banish shuffle the nimbles in your graveyard and draw one
Great barrier reef powers up