There arent many ways to do that quite yet in Standard, but given that Foundations is going to be around for the next several years, thats plenty of sets to print something that returns an enchantment from the graveyard to the battlefield
It could outright kill your opponent, and many of the best decks used that as their primary way to win, trading life totals while they were at zero due to City of Brass
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When short on Auras, Estrid's -1 can create a Mask aura enchantment that can provide any permanent with totem armor, while its ultimate -7 ability mills seven, then putting all enchantments from your graveyard into play, potentially cheating high-impact cards into play
Sort of like having a hamster power a lightbulb, except that the hamster has the potential energy of uranium
If so, which and how many - and where in the pile