Scouring Swarm isnt as exploitable as Scute Swarm, but it flies and adds more support for self-mill, lands-matter, and insect decks alike
The dramatic ending required the action take place on Ravnica and involve an army of Planeswalkers
Equipping that to Steiner on turn three and swinging with a 4/3 Double Strike, Trample, Lifelink is no joke
Typically, they are offensively efficient but defensive liabilities, like too many All-Star NBA guards
Planeswalkers can have indestructible that protects them from destroy effects, but they can still be removed by losing all their loyalty counters, being exiled, being sacrificed, or being sent to a different zone
Party Thrasher There is a deck where Party Thrasher just spews value, like with Inti, Seneschal of the Sun and Laelia, the Blade Reforged