Merc of Knowledge

Hexproof, Skulk
Mill 1: Merc of Knowledge's controller draws a card, then gain control of Merc of Knowledge until end of turn, untap it, and it gains haste.
Until end of turn, it can't attack it's previous controller. Activate this ability only as a sorcery.
When Merc of Knowledge deals combat
damage to a player, draw two cards.