White and blue, not so much
The variety of your threats allow you to fight through Surgical Extraction, but Ravenous Trap is harder to hedge against

5-Color Niv-Mizzet by Michael Rapp 2 Paradise Druid 4 Sylvan Caryatid 1 Dreadbore 2 Abrupt Decay 4 Teferi, Time Raveler 1 Unmoored Ego 1 Deafening Clarion 3 Uro, Titan of Natures Wrath 1 Supreme Verdict 1 Utter End 1 Nahiri, the Harbinger 3 Siege Rhino 1 The Scarab God 1 Tolsimir, Friend to Wolves 4 Bring to Light 3 Niv-Mizzet Reborn 1 Cut // Ribbons 2 Botanical Sanctum 4 Fabled Passage 1 Forest 1 Godless Shrine 1 Island 2 Mana Confluence 1 Mountain 2 Opulent Palace 1 Overgrown Tomb 1 Plains 2 Sandsteppe Citadel 2 Spirebluff Canal 2 Stomping Ground 1 Swamp 2 Temple Garden 1 Watery Grave That makes my choice of flex slots: 1 Dreadbore 1 Unmoored Ego 1 Deafening Clarion 1 Uro, Titan of Natures Wrath 1 Nahiri, the Harbinger 1 Siege Rhino 1 The Scarab God 1 Tolsimir, Friend to Wolves 1 Cut // Ribbons As you can see, I went into the weekend ready for aggressively-slanted creature decks, like Mono-Red and Mono-Black

Card Set(s) -RED Shanks- [ST-23] CARD VIEW OP09-012 | C | CHARACTER Monster Attribute Strike Block icon 3 Type Animal/Red-Haired Pirates Effect If your Character [Bonk Punch] would be K type, K type card other than [Come On
5 Ayula, Queen Among Bears Kindred Queen Kindred decks already start off fairly casual so keeping a Bear deck relatively low-powered but still efficient is pretty easy to pull off, all while being an absolute blast to play