Fire hosing. I like it.
Add some other elements. How do you build a snorkel out of water particles? Maybe make that life, like "amphibian morph"
Just make High Tide a gravity card, and instead of flooding your whole field only do 1 extra space, so it's not dangerously specific like Flooding atm.
Fix your grammar/spelling, run it through a grammar check application, "cumulative" and "all of your field" and "every stack of pillars you control"