The starter of the deck is marincess sea horse, who can be special summoned by its own effect to a zone a marincess link monster points to. you can add it to your hand by using cynet mining or send to the grave with foolish burial, or marincess blue tang and add it to your hand with marincess blue slug then you can special sea horse for summon marincess sea angel and add marincess battle ocean to your hand.
Then you have either marincess pascalus or marincess mandarin for summon marincess crystal heart after summon marincess coral anemone and use its effect to reborn a monster to have two link-2 monster on the field and use them for marincess wonder heart.
then you equip three link monster to your link-4 for raise its attack at 4400 and it would be unaffected by your opponent effect because he was summon with marincess crystal heart.
the only marincess trap you need is marincess wave that is a monster negate and can be activated from the hand if you control a marincess monster link-3 or higher, the other trap and monster are useless and take place for handtrap, backrow extender like sea archiver and kaiju.