Locke Cole can draw fresh cards while discarding spare cards
Well also throw in Sanctum of Eternity to bounce Kardur, and Command Beacon and Netherborn Altar to get it out of the Command Zone if our Commander Tax gets too high
However once you build a bigger mana base, there are a lot of other options available
These saga creatures have a final ability that exiles them and returns to the battlefield, front face up, before you have to sacrifice it
It gives you another way to profit off of your opponents attacking one another, and the mana boost it can give you can snowball in a big way, allowing you to continue to control the game
Mass removal will always be the bane of this build, but hopefully older players can help the new pilot recognize over-committing to a board state