Altercast the Tidal Ruler

+1: Draw 1 card, then if it was a Spell or Instant with a converted mana value of 2 or less, Draw 1 more card.
-2: Draw 3 cards, then you may reveal a Creature among them with a converted mana value of 5 and cast it without paying it's mana cost.
-8: Discard your entire hand, then choose an opponent: Draw cards equal to the cards in their hand and if you do, discard 2 cards.