Recommended Cards to Include
Monster Cards
* 7 Colored Fish
* Abyss Soldier
* Abyssal Kingshark
* Amphibious Bugroth MK-3
* Aqua Spirit
* Atlantean Pikeman
* Cannonball Spear Shellfish
* Catapult Turtle (You can summon without tribute while A Legendary Ocean is active)
* Cranium Fish
* Dragon Ice (You can summon without tribute while A Legendary Ocean is active)
* Fenrir
* Fog King
* Giga Gagagigo (You can summon without tribute while A Legendary Ocean is active)
* Hydrogeddon
* Levia-Dragon - Daedalus
* Maiden of the Aqua
* Mermaid Knight
* Mobius the Frost Monarch
* Mother Grizzly
* Ocean Dragon Lord - Neo-Daedalus
* Ocean's Keeper
* Orca Mega-Fortress of Darkness
* Penguin Soldier
* Submarineroid
* Terrorking Salmon (You can summon without tribute while A Legendary Ocean is active)
* The Legendary Fisherman (You can summon without tribute while A Legendary Ocean is active)
* Thousand-Eyes Jellyfish
* Torpedo Fish
* Treeborn Frog
* Warrior of Atlantis
* Yomi Ship
Spell Cards
* A Legendary Ocean
* Big Wave Small Wave
* Field Barrier
* Level Limit - Area B
* Monster Reborn
* Pot of Avarice
* Salvage
* Shrink (It's like a Sakuretsu Armor that will deal battle damage to your opponent as well)
* Terraforming
* Umiiruka
Trap Cards
* Gravity Bind
* Solemn Judgment
* Spiritual Water Art - Aoi (Mostly useful for versus Exodia Decks)
* Tornado Wall