Will put a Combo here... Just to get Started, a 2-Card combo with Pascalus and Blue Tang
Normal Summon Pascalus then Activate its effect, Special Summon Tang from Hand, activate Tang send Sea Horse to Grave, then Link off Tang to Blue Slug, activate Blue Slug add Sea Horse, Sea Horse Effect special summon itself, Link off Sea Horse to Sea Angel, activate Angel add battle ocean from Deck to Hand. Use Pascalus and Sea Angel to Make the Link 2 Crystal Heart then Link 2 again using Blue Slug and the Crystal, to link summon Coral Anemone the activate Anemone, Special summon Crystal from Gy, then put Battle zone in Field Zone, Use Anemone and Crystal to make Great Blue reef, activate battle Zone and equip to Reef, Then, be Happy .