More seriously, Sigil of the Empty ThroneSigil of the Empty Throne runs away with games faster than youd believe, especially in this style of deck
Artifact Tokens To avoid having to exile a bunch of artifacts in the graveyard or, even worse, artifacts on the battlefield to craft Tetzin, well want to play a lot of ways to create a bunch of artifact tokens
Legendary Creature - Wizard Avatar Commander (CTRL to add secondary) Artifact Artifact (CTRL to add secondary) Blink Ephemerate Exile target creature you control, then return it to the battlefield under its owner's control
If shopping for cards stresses you out, take a break, or rely on proxies for a while
1-4 cards of rarity Rare of higher, 3-5 Uncommon cards, 6-9 Common cards, and 1 Land card (Traditional Foil Land replaces a Land in 20% of boosters)