Elwira, Playful Psycho

+2: Each opponent gets an emblem called dementia with "Whenever you draw a card except for the first one your turn, mill 1 card.
-4: Create 2 2/2 black raven creature tokens with: Whenever this creature attacks, each opponent discards a card.
-7: Each opponent gets an emblem with "Whenever you draw a card, you lose 5 life and discard 2 cards at random.