Mjlnir, Storm Hammer While it may not be the actual Mjlnir, this feels like a no-brainer considering what transpired in Avengers: Endgame
Charitable Levy's triggered ability resolves before the spell that causes it to trigger
When you do, Foray of Orcs deals X damage to target creature an opponent controls, where X is the amassed Army's power
Having creatures that benefit from you casting spells is always good, but sometimes you need your creatures to help you cast those spells
Cadric, Soul Kindler LotR may have brought along a dwarf that cares about legends and another that cares about historic permanents in general, but Cadric, Soul Kindler from Dominaria United Commander was a kind of precursor
It has a strong Jund theme of sacrificing triggers, sacrifice effects, and more