This time, I've assumed that you, in some fashion, get to see 2 more cards than normal over the course of 9 turns - whether through something like a Divination, a Tormenting Voice, a scry 2, or something else
Sauron is a highly expensive commander at a mana value of eight
The mechanics here allow for incredible customization when choosing which legendary figures will lead your forces into the fray
On top of that, it buffs your artifact creatures and heroes based on the number of artificers you control or have in the graveyard, which can scale fast in the right build
The Fair decks simply aren't equipped to deal with the kinds of threats that Ramp deploys
You also have bond lands like Training Center and Luxury Suite and cards like Mana Confluence and Command Tower which can also tap for multiple colors as soon as they enter the battlefield