They will phase in with that permanent and still be attached to it
That said, Ive always preferred to go in with a little bit of preparation and planning ahead
At the end of the day, many agree that if a game goes on too long, an infinite combo is a welcome way to end it and release players to shuffle up and play again
You can be especially spiteful with the Bowmasters and Narsets of the world, or you can just play the role of a leech and sit back with your Faerie Masterminds and such
Worst of all, it shreds his pristine couture
Whether youre answering a Goblin Guide, a Wrenn and Six, or a Signet, this card is an incredibly efficient and flexible removal spell