jumpstart mtg cards Magic: The Gathering including at least one new When is the best time

Command BeaconCommand Beacon frees us from the burden of commander tax one time if we sacrifice it, Lightning GreavesLightning Greaves can boot Sauron up the turn he comes out (no extra mana needed), and Cavern of SoulsCavern of Souls prevents him from getting countered

Metagame - f your metagame is very dependent on mass draw cards like Prosperity, Temple Bell, Howling Mine and more, then this is worth the card slot

Lady Octopus, Inspired Inventor This is absurdly good

Tainted Aether is worth looking at, and I think its a card that actually should get more EDH play than it does, but I also know my capacity to make that happen is limited