I know this seems limited to a Halfling deck or a deck where your commander is a Halfling, but there are a ton of ways for Equipment-heavy decks to discount the equip cost
Agatha's Champion's fight effect is ideal to either destroy a would-be blocker or take out a small creature with relevant abilities, or dispatch a flier that the green deck can't easily block
It isn't enough to completely write this deck off, as there are plenty of very valuable cards that are worth using, but it's worth considering
The Zombies The zombie typal deck enablers, including the most popular zombie commander, Wilhelt, the Rotcleaver, are key in any functional zombie EDH deck, drawing cards with Archghoul of Thraben and Undead Augur, making tokens with Headless Rider, recursion with Relentless Dead, and draining life with wincons Diregraf Captain and Plague Belcher
Honorable Mention #3 (#12 Overall) - Goblin Matron Welcome to this already printed in Portal and then reprinted in core sets later creature leader
In Part 2, well cover the rest of the cards in the set, which are no less exciting for Commander players than the legendary creatures are