This seems like a great ability to build a strong board presence and gain card advantage
While Lumra is a powerful card, being a mono-green commander makes it a bit too limited for my taste
The cycle of Sword equipment is probably the most famous one and took decades to finish, having cards in Darksteel (2004), Scars of Mirrodin (2010), Mirrodin Besieged (2011), and even in Phyrexia: All Will Be One (2023)
Because the Pioneer format utilizes cards from sets like Magic Origins that were released before Arena was created, Explorer has been missing a lot of key cards for years
Sideboarding: +1 Pithing Needle +1 Heros Demise +1 Rending Vines -1 Ghost-Lit Stalker -1 Ink-Eyes, Servant of Oni -1 Myojin of Nights Reach Again youre boarding in removal and boarding out some creatures
Will only costs three mana, so you want to get Will on the battlefield as quickly as possible to start taking advantage of its effect in the early stages of the game