Kaseto, Orochi Archmage Kaseto, Orochi Archmage is the perfect snake commander, making creatures unblockable while boosting your snakes
While this feels a bit more like a blue card than a white card, it isn't completely out of place when you consider that white can remove any type of nonland permanent with ease and occasionally gets the ability to tuck permanents away in their owner's libraries en masse
Memnarch In the days before color identity existed, the cards which could go into your deck were determined just by the colors in the mana cost of your commander
Therefore, you can have both big green beaters and Blue Sun's Zenith
Azors Gateway / Sanctum of the Sun Exiling the cards you dont want with Azor's Gateway can be a significant downside for decks relying on looting to fill the graveyard with resources, but decks interested in drawing and filtering dont care about exile versus discard
Ugin, Eye of the Storms While this is priced to move in Modern, where it's easy to go 1-2-7 with your manabase thanks to the Urzatron, I can see it sneaking into a Standard deck
