Fast mana and more instant speed, low mana interaction might give you a shot at stopping high powered decks, but I think in these colors you'll be more likely to find success by running more stax pieces and leaning on your boardwipes
When a creature with annihilator attacks, the defending player must choose a set number of permanents to sacrifice
This format consists of Wind-Up Shock Lock , Inzektor , Dino Rabbit and Disaster Dragons , a format many wish to forget because of Number 16: Shock Master and its Shock Lock and how devastating Inzektors could be with Inzektor Dragonfly and Inzektor Hornet
P/T Number 197 Language English Legal Formats Commander, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless Rulings (6/6/2025) While resolving Valefor's first chapter ability, the next opponent in turn order chooses a creature with the greatest mana value among creatures they control, then each other opponent in turn order does the same
So these are the two builds that I would start with for Klothys