This serpentine giant can cause massive chaos with its devastating Hyper Beam and turbulent storms
Tidebinder Mage is often a removal merfolk at multiplayer tables, and True-Name Nemesis can become a surprising game-winner when you've got your merfolk buffs working
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People will either say that it can't be done without significant holes in the deck, that you would miss out on too many "essential" $40+ cards, that you can't go lower than $400, that it's impossible, etc
The other cards are pretty good, and Eijango is a land that really isnt played enough in Commander
The decks commander Atraxa, Praetors Voice , is an absolute powerhouse that can singlehandedly carry games for you