Removal is necessary against the deck, but the deck generates enough free card advantage that removal spells are ultimately a losing proposition, which means your opponent cant really afford to play enough removal, and because the way you pressure your opponent with your creatures generally doesnt require overextending in any real way, its hard for them to catch up with sweepers
Quintorius Kand Worst case, Quintorius Kand comes down and discovers for 4 while draining and gaining 2 and leaving a planeswalker behind
Purphoros, God of the Forge is a mono-red God from the Theros block, and it is a potent commander
Avacyn, the Purifier
For me, it enables me to combine something I love with a way to make money
[4] A take on the card named "Jeweled Lotus" was made with a focus on the Commander format, providing three mana that can only be used to cast a commander card