Token Triumph (Green-White) Ally yourself with Emmara and cover the battlefield with an army of tokens
At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink
River Song makes you draw cards from the bottom of your library, a usually totally inaccessible zone, almost as unobtainable as a card in exile
2 Kaalia Of The Vast A Triple Threat A rather unique Angel commander in that you wont likely exclusively be playing Angel creatures, Kaalia of the Vast is one of the original commander cards from when Wizards of the Coast backed the format
That's worth picking up a few expansion packs for sure.
Fill the remaining slots with schemes which actually help you ramp, and your full deck could look something like this: You Exist Only to Amuse You Are Unworthy of Mercy Power Without Equal No Secret Is Hidden from Me Pay Tribute to Me Behold My Grandeur Evil Comes to Fruition My Tendrils Run Deep This World Belongs to Me Realms Befitting My Majesty Decks which aim to storm off as their win con can piggyback off the schemes which cast free spells, as well as some powerful sources of free cards and mana: When Will You Learn No Secret Is Hidden From Me Power Without Equal My Wish Is Your Command I Am Duskmourn Mine Is the Only Truth My Wings Enfold All Because I Have Willed It Plots That Span Centuries My Wealth Will Bury You Another popular effect among schemes is discard, and since they generally hit all opponents the potential yield for commanders like Nath, Tergrid or The Haunt of Hightower is extremely high