At three mana, this is reasonably priced, so I can see a lot of decks running it as a budget Heroic Intervention
Every seasoned player will tell you buying singles is cheaper, but it lacks the pure thrill of cracking a fresh pack
I generally dislike Wizards inclination to reward players for building around a strategy by letting them do it again, but Sanctum of Alls trigger doubler makes short work of your opponents when you have cards like Honden of Infinite Rage aroundwhich the first ability ensures you will
I also suggest you check your card using black light (also known as UV-A light or Woods lamp)
In my experience, the only ones I even consistently look at are Mana Drain and Midnight Clock due to their added utility and universal applications in gameplay
If youre planning to do this yourself, aiming to Conjure a nine-cost creature is the best bet right now