Assassinate (UA)

You are adept at getting the drop on a target, granting you the following benefits:

Initiative. You have Advantage on Initiative rolls.

Surprising Strikes. During the first round of each combat, you have Advantage on attack rolls against any creature that hasn't taken a turn. If your Sneak Attack hits any target during the round, the target takes extra damage of the weapon's type equal to your Rogue level.