Add extinguish all hope

lib/magic/battlefield_filters.rb

@@ -5,6 +5,7 @@ def battlefield = game.battlefield
     def controller = actor.controller
     def creatures = battlefield.creatures
     def creatures_you_control = creatures.controlled_by(controller)
+    def creatures_opponents_control = creatures.not_controlled_by(controller)
     def other_creatures_you_control = creatures_you_control - [actor]
   end
 end

lib/magic/card_list.rb

@@ -68,6 +68,8 @@ def nontoken
     def excluding_type(*types)
       reject { |c| c.any_type?(*types) }
     end
+    alias_method :not, :excluding_type
+    alias_method :non, :excluding_type
 
     def except(target)
       self.class.new(reject { |c| c == target })

lib/magic/cards/extinguish_all_hope.rb

@@ -0,0 +1,15 @@
+module Magic
+  module Cards
+    ExtinguishAllHope = Sorcery("Extinguish All Hope") do
+      cost generic: 4, black: 2
+
+      def resolve!
+        creatures.non("Enchantment").each do |creature|
+          trigger_effect(:destroy_target, source: self, target: creature)
+        end
+
+        super
+      end
+    end
+  end
+end

lib/magic/triggered_ability.rb

@@ -12,6 +12,14 @@ def you?
       controller == event.player
     end
 
+    def this?
+      actor == event.permanent
+    end
+
+    def type?(type)
+      event.permanent.types.include?(type)
+    end
+
     def perform!
       return unless should_perform?
       call

spec/cards/extinguish_all_hope_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+RSpec.describe Magic::Cards::ExtinguishAllHope do
+  include_context "two player game"
+
+  subject(:card) { Card("Extinguish All Hope") }
+
+  let(:wood_elves) { ResolvePermanent("Wood Elves") }
+  let(:doomwake_giant) { ResolvePermanent("Doomwake Giant") }
+
+  context "when card is cast" do
+    before do
+      wood_elves
+      doomwake_giant
+    end
+
+    # Wood Elves = regular creature
+    # Doomwake Giant = enchantment creature
+    it "destroys the wood elves, keeps doomwake giant" do
+      p1.add_mana(black: 6)
+      p1.cast(card: card) do
+        _1.pay_mana(generic: { black: 4 }, black: 2)
+      end
+
+      game.tick!
+
+      expect(wood_elves.card.zone).to be_graveyard
+      expect(doomwake_giant.zone).to be_battlefield
+    end
+  end
+end