Elesh Norn isn't often a commander, though it's more popular in the deck of 99, and it's also a popular reanimation target in other formats such as Modern and, in years past, Standard as well
With that set at the hundreds or thousands, you can stop the game from highlighting pulled cards as high value just because its worth over ten bucks
If you said yes to either question, then investing is probably something worth doing
Until the advent of land cycling creatures, Krosan Tusker and Explosive Vegetation seemed like the only feasible solutions to get a third color of mana in a draft
It's a shame the base creature costs so much mana, but you can flicker it to build your board and win with the waterbending ability, alongside white's ample token support like Mondrak, Glory Dominus
Enter Titania, Voice of Gaea along with Argoth, Sanctum of Nature, which together meld into Titania, Gaea Incarnate