M, Cold-Hearted Enigma

: Alliance Agent Being cards have their cost reduced by 2 and gain "When this card deals combat damage, target player mills a card."
+1: Look at the top card of an opponent's deck. You can either add that card to your hand, exile it, or place it back on top of their deck.
-X: Target opponent mills cards equal to X. You may then play any Tech cards milled this way for no cost until end of turn.