With some mana ramp like Invasion of Zendikar and removal to keep you alive like Beyond the Quiet, you should be able to crush your opponent with Atraxa
Tannuk, Steadfast Second Tannuk, Steadfast Second takes a stab at being Sneak Attack in the command zone, and it does pretty well
two mana, untapped treasure, and possible to trigger on more than one turn in a turn cycle

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