Whenever a creature with Flying attacks you or a planeswalker you control, Palazzo Archers deals damage equal to its power to that creature
Also, the best planeswalkers in MTG are popular because they work, not because of how cool they look
You can have Elspeth, Sun's Champion, Elspeth, Sun's Nemesis, and Elspeth, Knight-Errant all in play at the same time under your control because none of them shares an identical name with the other even though they all have the Legendary Planeswalker Elspeth type
Strategically, Hades is a must-play because he answers game-ending threats like Elsa Spirit of Winter while giving you a respectable 3/6 body on the board
It is nearly impossible to make a worse call
You can kick this 4/7 for lots of small tokens as long as you have enough mana, which is awesome for your treefolk Commander deck