nosk of a thousand faces

+1: place a token creature onto the battlefield that is a copy of a creature in play
-10: from now on, when you summon a creature, summon X token creatures that are a copy of that creature where X is the base power of the creature
-20: from now on, when a non-land permanent is destroyed place a token that is a copy of that card if it was a creature summon equal to it's toughness