Wizards of the Coast (WotC) Magic designer Gavin Verhey has a nice short video that provides some tips for using Ninjas at their full power, so take a look if you havent watched it before: Okay, lets dig into my decklist
Read More: The 10 Best Commanders From Innistrad: Midnight Hunt Tainted Adversary In Innistrad: Midnight Hunt, there is an Adversary cycle that all offer a different ability
It's also a frequent addition to Vintage and Legacy sideboards, depending on the meta
Finally, Krang, Master Mind gets +1/0 for each artifact you control, meaning this 1/4 creature could enter as a much more powerful threat, which could then grow further for each artifact you cast
Tinker could arguably top this list if, you know, it was playable and not banned virtually everywhere