This is hardly an exhaustive list, but well give you a good idea of the cards you should be looking at before embarking on your green commander journey
Whether you're starting your journey or expanding your collection, choosing the right source makes all the difference
If you're into Pokmon cards and want constant tips and trips for finding or buying them, check out RealBreakingNate and give his channel a follow
This makes Recycle Energy much stronger

Aberrant Manawurm Academy Wall Adaptive Training Post Adeliz, the Cinder Wind Arcane Bombardment Arcane Heist Archmage Emeritus Archmage of Runes Aria of Flame Ashling, Flame Dancer Ashmouth Dragon Aven Wind Mage Aziza, Mage Tower Captain Balmor, Battlemage Captain Bayo, Irritable Instructor Beamsplitter Mage Bill Potts Blistercoil Weird Caldera Pyremaw Case of the Ransacked Lab Chakra Meditation Chandra, Hope's Beacon Charmbreaker Devils Clever Lumimancer Colorstorm Stallion Conciliator's Duelist Cryptic Pursuit Cursed Recording Dazzling Sphinx Deekah, Fractal Theorist Deluge Virtuoso Diary of Dreams Dirgur Focusmage Diviner of Mist Djinn of the Fountain Docent of Perfection Double Stroke Dragonsguard Elite Dynavolt Tower Eager First-Year Echoing Boon Electro, Assaulting Battery Electrostatic Field Electrostatic Infantry Elemental Expressionist Elemental Mascot Eluge, the Shoreless Sea Erebor Flamesmith Erratic Cyclops Exalted Flamer of Tzeentch Exhibition Tidecaller Expressive Firedancer Exterminator Magmarch Extus, Oriq Overlord Eyes of the Watcher Fandaniel, Telophoroi Ascian Feather, the Redeemed Festival Crasher Fiery Inscription Fin Fang Foom Final Iteration Fire Urchin Firemind's Research Fluxcharger Forum Necroscribe Frolicking Familiar Gale, Waterdeep Prodigy Gandalf of the Secret Fire Gandalf the Grey Geist of Regret Geistflame Reservoir

The best MTG Arena decks in white are usually aiming to finish the game fast and don't need a big top-end - but Commander decks always need some MTG Mana Ramp to come out on top