Dreadhorde Invasion, Battle for Bretagard, Felidar Retreat, Sigil of the Empty Throne and Anikthea, Hand of Erebos herself all help your board go wide, while cards like Miraris Wake, Boon of the Spirit Realm, and Heliod, God of the Sun can make them stronger
And if youre buying something to wear out, you might as well make sure its in fashion
Aetherflux Conduit is less interesting to me, and I cant see it holding the price
While resolving Starseer Mentor's last ability, the target opponent chooses a card to be discarded without revealing it, chooses a nonland permanent to be sacrificed, or chooses to do neither
Innistrad: Midnight Hunt Commander lets players bring home just the prey they need, stepping outside the bounds of the preconstructed decks to find saucy choices for their existing decks and using the cards in different but engaging ways
You don't need to cycle the Alliance as it is a decent enough removal spell in the late game against the slower decks