Ozmandias, Twisted Tutor

Flying, lifelink, deathtouch
Whenever Ozmandias, Twisted Tutor enters the
battlefield or attacks, choose a card in your hand.
Target opponent must guess the chosen card's
color, card type, and mana value. Reveal the
chosen card. For each wrong guess, choose one—
• You gain 3 life.
• Draw a card, then discard a card.
• Each opponent loses 1 life.