Top red common: Volcanic Spite Removal always does well here - it's good regardless of a deck's strategy or a format's foibles
But if you sacrifice it in response to its enter-the-battlefield trigger resolving, the leave the battlefield trigger happens before the card is exiled meaning your opponents card gets exiled forever
Blight Curse is also home to some fantastic synergy pieces for the new Commander
One other unique path worth mentioning dovetails nicely with those magecraft triggers in particular: copying effects
Prosper, Tome-Bound requires considerably more setup to use optimally, but if your deck is already playing a lot of cards that let you play cards from exile, the value it generates from its Treasure tokens can be absolutely silly
[15] The reconstruction provided the narrative justification for a new player housing ward, the Empyreum, added in the following expansion, Endwalker