I added this for the same reason I put in the Squirrel Nest / Earthcraft combo: to give this deck a potent weapon to offset my self-imposed limitations
Every time I read something or see a video, I get hit with a wave of joy
Not only that, but you can add a loyalty to allow you to cast sorcery spells as though they had Flash until your next turn, and remove three loyalty to allow you to return an artifact, creature or enchantment to its owner's hand, before drawing a card
Tersa Lightshatter is Faithless Looting on a body, with Haste
Skullclamp: another broken artifact from Mirrodin block
Whats nice about Mind Flayer, the Shadows ability is that it triggers on your end step, so you get to make use of it right away, and those cards remain exiled and accessible to you even if Mind Flayer is off the battlefield