2 Leonardo, Sewer Samurai Creature Falling just short of the top spot is Leonardo, Sewer Samurai, mainly because its sneak cost is virtually the same as its base cost
Controlling four legendary creatures is a big ask, and colorless lands have opportunity costs
The massive losses of dragons and non-dragons alike ignited the flames of rebellion within Zurgo as he sought meaning beyond perpetual battles and craved another way for the people of the brood to thrive
Scene Boxes, on the other hand, include 3 Play Boosters and 6 mechanically unique cards, so they can be great to get for Commander and Eternal fans, specifically
Since he can't quest for lore, this does seem mostly like a slightly worse Beast, Relentless, but there may be some clever tricks you can pull by giving Hook Resist
If myriad creates more than one token for any given player (due to an effect such as the one Doubling Season creates), you may choose separately for each token whether it's attacking the player or a planeswalker they control