Kaalia of the Vast leads this deck as a red, white, and black commander, one that unites Angels, Demons, and Dragons together under one banner
This precon was heavily criticized for its landbase, construction, and failure to inspire as a land theme
Tezzeret, Cruel Captain All of Tezzeret, Cruel Captain's abilities are great for artifact decks, but he's mainly on this list of top planeswalkers purely for that -3
Having a sacrifice outlet is very powerful in certain decks, it is useful in general to fizzle things like Lightning Helix and when it makes your guy unblockable and very hard to kill into the bargain a humble 2/2 starts to look pretty good
If you mainly play EDH, color identity sorting might be a smart approach
Creatures you control are the chosen type in addition to their other types