Simic: Before Arcums Astrolabe was previewed, I had a version with four Aether Hubs that used Rogue Refiner to help with the energy
That is such a niche reference, but the girlies who get it, get it
I can't tell you how many times I've cast this when I wasn't being attacked just to gain life

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

Starting with five loyalty is hard to kill, especially on a 3-drop that will be hard to have assembled a big enough army to really do anything