The Real Slim Shady

+2: Draw a Card then If a effect would kill a Planeswalker this turn It's caster takes the damage dealt to the Planeswalker.
-3: Roll a die then if you roll a 20 activate all planeswalker abilities a second time this turn anything else then 20 draw a card.
-10: Search Your library for a card of your choice three times then Shuffle and cast one of those cards without paying its mana cost.