Herit, Destroyer of world

: Herit, Destroyer of Worlds Gives all of your permanents and you indestructibility and hexproof.
+4: destroy target permanent. then destroy an enchantment. if you can't then you gain 3 loyalty on any planeswalker.
-20: All opponents get -X health where X is equal to the health they are at +5 you get -(X-6)