Sometimes an uncommon card is such a great fit for many decks that they quickly raise their price, while some rare cards just dont perform that well
Practically anything goes in Commander, and with most set Magic releases, you get even more ways to design your decks
Most of my support legendary are grounded dorks, save for a key four card cycle we'll look at later, so Broodmoth should trigger pretty reliably
If trample isn't enough, Champion of Lambholt can help make your creatures less "blockable"
The only issue for Delighted Halfling is the existence of Orcish Bowmasters, which can potentially kill it if someone draws more than one card a turn, and another opponent has the opportunity to Flash in Orcish Bowmasters
I guess I overlooked the fact that the supply of Blue Ugins in the world would be capped at the number of Blue Ugins that were opened over the prerelease weekend