As it turned out, the stapler-thrower was right, and I was wrong
That second abilitys life drain is huge, and if you wanted to do a saga deck without going 5 colors (see: Tom Bombadil for that) Narci is now the primere commander option
(A goaded creature attacks each combat if able and attacks a player other than you if able, until your next turn.) Her haunting tune drowns out the percussion of snapping masts
Well, Niv-Mizzet, VisionaryNiv-Mizzet, Visionary fits that bill at a 5/5, and will translate that five damage into five cards for each opponent it hits, as well
At worst, this doesn't give the player any additional power or toughness for Lumra, but imagine playing this late in the game where you've been forced to discard lands or had some of your lands destroyed
Descendants Path is a three mana Green Enchantment that doesnt necessarily need to be in a tribal deck, but is definitely at its best when it is