Mephistopheles, 1st Agent

+2: Each opponent gets an emblem with "At the beginning of your draw step discard a card, draw a card, discard a card. If you cannot, mill 1."
+1: Gain control of target creature or planeswalker an opponent controls until end of turn. Untap it. It gains haste until end of turn.
-4: Gain control of target creature or planeswalker. You lose life equal to its converted mana cost.