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Get 1 Rare or Mythic Rare, 3 Uncommons, 10 Commons, and 1 Snow Land (basic or tapped dual) in every pack

Ive already covered Dockside, but for a quick overview of the various ways to generate infinite mana, see above

That's yours for stuff like heroic or your foe's for interaction

Youll want as many cost reducing effects as you can get, so I suggest stocking up on Sapphire Medallion, Herald's Horn, and Urza's Incubator if you plan to go the sphinx tribal route

Copy Artifact can double as a Black Vise to help kill the opponent faster, or can simply copy the opponents best artifact in play, like Jayemdae Tome

Keeping a counter spell up for your opponent's commander means you've not only disrupted their plans, but you can either cast something else for free or add a card to your hand