I know this might seem like a weird idea, but hear me out
Scouting Trek has great synergy with our Simic Elf Tribal and can lead to many Lands ETB (and Landfall triggers) and thus ramp us far ahead in mana production
Wheel of Fortune is superior to those effects since it allows players to draw a full seven

Niv to Light 4 Bring to Light 4 Up the Beanstalk 4 Fable of the Mirror-Breaker 4 Leyline Binding 4 Fabled Passage 4 Sylvan Caryatid 3 Indatha Triome 3 Vanishing Verse 2 Blood Crypt 2 Niv-Mizzet Reborn 2 Molten Collapse 2 Pillage the Bog 2 Omnath, Locus of Creation 2 Abrupt Decay 2 Lightning Helix 2 Ketria Triome 2 Jetmir's Garden 1 Mountain 1 Plains 1 Ziatora's Proving Ground 1 Valki, God of Lies 1 Temple Garden 1 Forest 1 Raffine's Tower 1 Swamp 1 Island 1 Niv-Mizzet, Supreme 1 Deafening Clarion 1 Spara's Headquarters 1 Steam Vents 1 Drowned Catacomb 1 Sunpetal Grove 1 Godless Shrine 1 Hallowed Fountain 1 Savai Triome 1 Raugrin Triome 1 Mana Confluence 1 Watery Grave 1 Glacial Fortress 1 Sunfall 1 Unmoored Ego 1 Woodland Cemetery 1 Kolaghan's Command 1 Stomping Ground 1 Yasharn, Implacable Earth 1 Breeding Pool 1 Beza, the Bounding Spring 1 Krenko's Buzzcrusher 1 Roxanne, Starfall Savant 3 Fatal Push 3 Dovin's Veto 2 Ashiok, Dream Render 2 Lightning Helix 1 Yorion, Sky Nomad 1 Kambal, Consul of Allocation 1 Culling Ritual 1 Notion Thief 1 Deafening Clarion Niv to Light is a five-color midrange deck that uses a collection of multicolor cards from across the color pairs to maximize Niv-Mizzet Reborn and Niv-Mizzet, Supreme

I have such a love for these two characters