The copies have haste meaning they can attack instantly
That's why I prefer to steer clear of the guild language where I can, because it's confusing
When your foes go to cast their first noncreature spell of the turn, they are taxed by mana equal to this's power, default one like Rhystic Study, or you'll draw a card also like Rhystic Study
Values for Near Mint copies have pushed past $300 in early 2026
Its a bit slow, but it shines when you need to hit land drops, fix colors, or deplete your deck of lands to maximize exile effects like Wrenn's Resolve and never run into dead cards
For awhile, cards like Jace, Vryn's Prodigy were $100+ extreme outliers due to its power and prominence in that Standard format