Their main benefit is they gain Lore passively at the start of your turn without having to quest
Wilhelt Zombies Of all the Zombie commanders, Wilhelt, the Rotcleaver provides the most consistent value: a steady stream of tokens and an extra card per turn, while also being a Zombie himself to benefit from synergies
The downside is that theyre finite and will vanish after a few turns, matching how they work in the Final Fantasy games
[1] If this card is Normal Summoned: You can Special Summon 1 Level 4 or lower "Unchained" monster from your Deck, except "Unchained Oni - Shura", then destroy 1 card you control, also this turn, you cannot Special Summon monsters, except Fiend monsters
Throughout this article, Wizards detailed the new mechanics and cosmetics coming to MTG Arena, as is to be expected