Think about it: rogues hit someone fast and hard, sift through their data (represented by milling), and steal their intel (represented by drawing cards if they mill creatures)
And it's a 12/12 menace that 2-shots opponents
Now she patrols the Hunter Maze as its most powerful, cold-blooded warrior, shepherding in the Grand Evolution by culling the weak until only the strong remain
Sentinel Sarah Lyons doesn't have to have been on the battlefield at the point in the turn where an artifact entered the battlefield under your control
Hero of Oxid Ridge is a worthy replacement if one doesn't snag Hellrider, but I like being able to attack my opponent and kill his planeswalker
With support from ramp like Rakdos Signet or Dark Ritual, you can accelerate into Tibalt early and start to steal your opponents resources while you gain powerful card advantage