The trample damage becomes insult to injury and is almost an instant-speed Blaze
The fact that this can be cast at instant speed means that you can wait to cast Unexpected Windfall when you have a decent opening to do so
These usually cost gold to enter, but allow you to pick cards from a draft with other players, open sealed packs, and then build a smaller-than-normal 40-card deck
Callous Oppressor (Onslaught/Legions/Scourge) Onslaught was the tribal block, so creature type mattered a lot
Sad robot does it all (after all, he is a Commander all-star), and Ojutai is great for mana value, is a flying body, and lets you put something into your hand from the top of your library when he makes contact
If you are not familiar with this deck, you are in the same boat as many GP and PTQ players when Alan brought it to Las Vegas and rattled off an undefeated Day One