The last little push of viability here comes from the land-base: not only does your high lizard count unlock the two best Bloomburrow Villages, but also a full four Cavern of Souls to ensure you curve out uninterrupted against pesky blue decks
Best Cards: Shiko and Narset, Unified got a bad deck, but is a pretty cool commander with lots of flexibility
Likewise, MDFCs like Valakut Awakening dont make the cut on this list, as you should be playing MDFCs in all of your decks and they dont tend to encroach on deckbuilding slots like actual spells
Notably Deathmantle doesnt have to be equipped for this combo to work
From the eternal set of Teenage Mutant Ninja Turtles : Leonardo, the Balance is white
Ancient Cornucopia One of my favorite cards to run in multicolor decks due to its ability to stabilize, Ancient Cornucopia gives you steady lifegain whenever you cast a multi-color spell while also fixing your mana