Grouping Closely Related Types Together Kamigawa: Neon Dynasty also made heavy use of typal coupling
you just have to plan out what function each color is meant to perform within the deck - keep an eye on the ally/enemy status of each combo as you read on
I still think Urzas deck can be super fun too, but I also think it falls into a more traditional strategy that could be achieved with tons of other commanders
Now three mana mass removal is not so uncommon, but three mana mass removal that deals with most things is and that is exactly what Deluge does, and it does it without skipping your next untap step
Guarantees at least 2 rank 7s in one turn and baits hand-traps like crazy
Active in Master Duel, along with Rivalry of Warlords, Skill Drain, and Gozen Match, he is subject to various restrictions, but is rampaging