Venom

+2: Draw a card, If that card is a Planeswalker then cast it for no mana. Venom gains all the Loyalty Abilities of the Planeswalker cast in this way.
-X: Destroy X amount of Creatures, Gain life equal to the amount of creatures destroyed in this way. Gain any ability any of those creatures had.
-10: Draw two cards. Give +1/+1 counters equal to the added converted mana costs of both cards to all your creatures. If they were lands play them.