The Meteor Creator

: Every time a Permanent an opponent controls leaves the battlefield this Planeswaler gains 1 Loyalty point and you gain 3 life.
X: Mill X plus 3 and target creature gains a -X/-X counter where X equals any number from 1 to 10.
-18: Destroy all Permanents, each player Mills 10, and each player Discards their hand.(Including you.)