I have chosen mostly (but not all) cards which are specifically good in all-Zombie decks, mostly (but not all) based on their potential in Commander, and mostly (but not all) with present day performance in mind rather than historic achievement
By simply replacing the Fire or Lightning element cards within the Starter deck (24 Fire, 24 Lightning, 2 Light element cards), with the 24 Ice element cards included in the customization cards, you can easily transform the deck into a Fire/Ice deck or an Ice/Lightning deck
You may cast creature cards exiled with Lukka's first ability as noncreature spells if a rule or effect allows you to do so
This strategy was used by all three age division winners at the 2009 World Championships, and by the Senior and Master division winners in the 2010 World Championships
Now, there will certainly be times when these three are better options than Knight of Autumn
Ive heard stories about very untuned decks in Modern that simply splash for Treasure Cruise as a fourth color