Im not sure why they opted to turn the OG Kobolds into a token without pumping it up a little, but you definitely need whatever you can get if you really want to make kobold tribal work
Sheoldred / The True Scriptures Sheoldred enters the battlefield and forces each opponent to sacrifice a creature or planeswalker, so its immediately impactful
"Dies to Doom Blade" is a bad argument when you're evaluating cards on a 1-to-1 basis, but when you're looking at cards that are only good under certain circumstances, or once you put a lot of work into them, then the "Dies to Doom Blade" argument starts to fall on Doom Blade's side
Here is my favorite Town design that didn't work out as it added yet another source of tracking complexity: Besaid, Place You Can Visit Land Town CARDNAME enters the battlefield tapped
Phenax has its own spot on the list, but Thassa, Deep-Dwelling gives you an end step flicker
Theyre quite rare to find in Play boosters, but theyll come up every so often and are worth a quick look