Once Sahagin has been blocked, casting a noncreature spell in order to cause Sahagin's ability to trigger won't cause Sahagin to become unblocked
Its 6 mana, requires 3 blue pips and turns your scry into a weird secondary exile-hand that will simply cease to exist the moment someone destroys this artifact the suspense
If you build Commander decks and pay attention to the mana curve, youll have discovered that the three-mana point on the curve is just stuffed to the gills with good choices, and its agony making cuts there
Luckily most people arent playing that particular deck right now
Magic has a 30+ year history, and a lot has changed over the decades
This card is very good in faeries deck, considering that its a faerie and that you can cast two spells on your opponents turn, which is good for cards like Alela, Cunning Conqueror and Voracious Tome-Skimmer