March of the Machine

Pyretic Prankster | Creature | Devil | {3}{B/P}: Transform Pyretic Prankster. Activate only as a sorcery. ({B/P} can be paid with either {B} or 2 life.) | Francis Tneh

Invasion of Azgol | Battle | Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Azgol enters the battlefield, target player sacrifices a creature or planeswalker and loses 1 life. | Joshua Raphael