flesh and blood custom card maker Command Conquer (Extended Art) - FAB278 - and Blood: Promo Cards Flesh and Blood Tokens and

Use cards like Mahadi, Emporium Master to generate a huge amount of treasure tokens after Rakdos triggers his ability, then use them to cast the rest of your Demons

The more turns that happen in a game, the less likely it is that your opening hand defines the outcome of the game, the less likely it is that one whiff loses you the game, and more generally, the more likely it is that luck statistically evens out and skill decides the winner

In EDH, dealing 2 damage to everybody each time you play an instant or sorcery is huge, and players wont be too keen on spending removal on your guy

This is just as much a Commander ramp staple as Sol Ring, except this mana rock can fix your colors as early as turn 2