It's a synergetic cascade and smash deck with lots of smaller effects to cascade into for value, like Wall of Blossoms and Satyr Wayfinder that should always be good
There are also eight cards and one Planechase plane that create Assassin tokens: Vraska the Unseen Vraska, Swarm's Eminence Queen Marchesa Headsplitter Origin of the Hidden Ones Aya of Alexandria Ratonhnhak:ton Rooftop Bypass Paliano One card, Mari, the Killing Quill, links assassins to rogues and mercenaries, but Outlaws of Thunder Junction coupled assassins, mercenaries, rogues, pirates, and warlocks under the outlaw banner
The art makes it look pretty dangerous (which isnt surprising for a 1-mana 3/2 I guess), so Id probably think twice about hugging this one #20
You can also -2 her once with her starting loyalty to make two 1/1 Thopters with flying and haste
This can take them out, while developing your burn plan at the same time