Alhaitham, Wit's Virtue

+2: Draw a card, then both players discard a card. If you discarded a Forest, draw another card.
+1: When you draw 2 or more cards this turn, your creatures with power equal to or less than that number of cards gain First Strike this turn.
-10: Divide the number of cards in your hand by the number in your opponent's hand. Destroy that many creatures.