First off, change that mark to air.
Take out all of your Shockwaves and Wind Pillars.
Take out your Floodings. Unless you're playing
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, they're really not that great. Ice Shield will be sufficient crowd control.
Insert: 3 Freezes and 4 Sapphire Pillars. Now you have a compact water deck relying on a Mark of Air for the Toadies.