It's a very thematically consistent deck, and one of the best choices if you're a fan of Edge of Eternities' space setting
He reduces the cost for all your other Hydras by four, and whenever one of your creatures is targeted by a spell (yours or your opponents), Gargos punches one of their creatures in the face
I might hold a Thoughtseize for a turn or two here
I could see getting a few packs of these as a great foundation or inspiration for building out a Cube
If they play one, thats fine, but that one had better be Elixir of Immortality, because otherwise I can use Kolaghans command to make her discard Elixir
Be sure to include protection for Jinnie Fay, as without her, you'll be dealing with a random assortment of token types that don't have many synergies together