With enough sources to create tokens, the sacrifice cost becomes pretty much insignificant while you consistently draw cards and buff up your creature
Strategic Planning This is a useful card, lets you get rid of something or stash it in the yard for recursion and you know exactly what's on top of your library, or can shuffle it away with crack lands
March of the Machine saw red primarily focus on sacrifice, burn, and, in a fresh twist for the color, convoke
Spotting fakes and judging quality The good news is that authentic Japanese cards have a distinctive feel and a consistency thats hard to counterfeit well
Shes gonna be easy to build, fun (for you) to play, and I expect to see her a lot
Sting is a great Flash artifact that is best played when your opponent's board is stacked with tapped creatures, but with a two-mana cost and a three-mana attach fee, it really could do with something else, like granting First Strike, to be a lock for competitive play