What happens next depends on the type of spell you are casting, but typically, it will usually have a one-time effect and then go to the graveyard, or it will become a permanent that stays on the battlefield until it is removed
White is also the color of pillow fortery so you might be able to last a full battalion of attacks due to cards like Kor Haven, Commander Eesha, and Ghostly Prison, ensuring you draw card after card after card
Enchantment When March from the Black Gate enters the battlefield and whenever an Army you control attacks, amass Orcs 1
Sphinx's Revelation on the other hand is a card you pretty much always want in control deck with blue and white in it
Whether youre manipulating enchantments to bring out more creatures or bringing cards back from the graveyard just to sacrifice them all over again, there are plenty of ways to keep your deck unique