An Atlantean skin for the reworked mages?

As we all know, the mage update is coming mid-year and will be mostly aimed toward Zyra, Vladimir, Brand, Malzahar, Vel'Koz and Cassiopeia! And I see here an opportunity for these champions to share a skin with their common rework! The concept I tought of would be Atlantean skins, kind of like Syndra has. The only champion that have Atlantean skins are Syndra and Fizz, and giving those 6 champion a skin of this serie could make a link between them since they are mostly played mid and all scales well with AP. It's hard to find ideas since we don't know yet what the changes are going to be made and on what spells, but here are some ideas I find really fun and original for each champions on those 6 champions.

Zyra:

Model: could be aimed more towards see plants like algaes and see flowers, or she could just look like a kind of sea inhabitant like atlantean syndra does.

Flowers would be algaes that throw water under pressure and whip people around, ult (if kept), could be a huge pool of water that ends up turing into some kind of fountain that throws enemies upward.

Brand:

Model: Just like his original, keep the man+element concept but change fire for water. He could leggit be a water man kind of like pool party zac is (with pants of course)

W (if kept), instead of coming from the ground, could come from upward and be a waterfall that falls on a target location to deal damage. Ult could look like a big blob of water jumping from enemy to enemy. Passive could make people be soaking wet with droplets on them while the DOT is active

Vladimir:

Model: There again, like Atlantean syndra, a sea inhabitant gifted with water powers

Pool (if kept) would turn him into water, and pretty much all his kit is blood aimed so turing a red liquid into a blue one and adding particles should do the trick

Malzahar:

Model: Another sea inhabitant like syndra

Space Aids could be a bubble on the enemy's head that make them suffocate to deal DOT, voidlings would be crabs or another sea creature that looks insect-ish like a shrimp or whatever lives under the water that could fit there. His effects could look more abyssal/dark to relate to his void nature.

Casiopeia: We could just rework her Siren skin to make it Atlantean and add him to the group just like they did with jack of hearts twisted fate and the card game skins. give her spell water effect, Q could be an explosion of water in an area and instead of having purple bubbles for poison, they could be blue. Miasma could be a blob that slowly expends and damage people in it.

Vel'Koz: (this is where I think there is the most potential, maybe even a legendary skin)

Model: It's pretty obvious, vel'koz LOOKS like an octopus already! This could be pushed way deeper for this skin, suction cups on tentacles, more bright colors like we see on octopuses (orange / red or anything you want), a beak, keep the cyclop eye (please) And if legendary, could even add more tentacles. His recall could be him hiding in a pot or a treasure chest.

His Q could be a water projectile that splits into 2 big bubbles

His W could be a water fissure that looks to be in the bottom of the sea with bubbles when it closes

His E projectile could be a blob that splashes on the target location to stun people

can't think of anything for ult doe (expect making it blue)

Any toughts/Ideas/comments?

I know this would probably take a lot of time to work on, but I just can't stop thinking about how cool this would be.