If Sauron, the Necromancer leaves the battlefield before the delayed triggered ability resolves, that ability will exile the token, even if Sauron, the Necromancer later returns to the battlefield or you control another copy of Sauron, the Necromancer as your Ring-bearer
With partner, you can pair Ikra with Ravos, Soultender for recursion or Tymna the Weaver for extra card draw
Lots of ways to return lands from the graveyard keep the action going indefinitely
Filter by Format Legality This one saves time
After you get more experience, you can try "splashing" for a color, which is where you play just one or two cards of a third color in your deck
You need to be careful about casting cards like your commander into it since the copy is still legendary, but any creature with an enter the battlefield effect becomes twice as good