Alkaine, Youth Gone Mad

: Cards you control have Madness, their Madness cost is equal to their casting cost minus {2}
+2: You may have Alkaine, Youth Gone Mad deal 1 damage to each opponent or each planeswalker.
-10: You get an emblem with "Whenever an opponent casts a spell counter it, then you may cast a card from your hand without paying it's mana cost"