Grima Wormtoungue

-3: Target player reveals their hand. You chose a nonland card and that player discards that card.
+1: Until your next turn, Whenever a creature an opponent controls attacks, place a -1/-1 counter on that creature.
-2: Search your opponents hand and library for Wizard creature cards and exile them. Put a 1/1 Snake with deathtouch onto the battlefield.