You have to choose a nonland permanent, which means thats on the board somewhere - you cant just name any card in MTGs history like with Pithing Needle or Sorcerous Spyglass, though those dont stop mana abilities, which Scheming Fence does
An interesting effect, too, where this creature can't be used to block, and can be returned to your hand by paying life and mana
Sales taxes on Purchases The Virginia sales tax, Currently levied at a rate of [6%], is applied to the total purchase price of each lot unless exempt by law
Its hard to say exactly what role and decks Emrakul, the Promised End will fill without actually playing such a strange new card, but a good starting point for comparison might be with Ulamog, the Ceaseless Hunger
Wasitora, Nekoru Queen Finally, some interaction