From 90163acef5b9393d45bcf240bbdd5c28fa3e2a62 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Wed, 7 Jun 2023 21:50:57 -0400
Subject: [PATCH] [LTR] Implement Assault on Osgiliath

---
 .../src/mage/cards/a/AssaultOnOsgiliath.java  | 78 +++++++++++++++++++
 .../TheLordOfTheRingsTalesOfMiddleEarth.java  |  1 +
 2 files changed, 79 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/a/AssaultOnOsgiliath.java

diff --git a/Mage.Sets/src/mage/cards/a/AssaultOnOsgiliath.java b/Mage.Sets/src/mage/cards/a/AssaultOnOsgiliath.java
new file mode 100644
index 00000000000..594783e659c
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/a/AssaultOnOsgiliath.java
@@ -0,0 +1,78 @@
+package mage.cards.a;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.GainAbilityControlledEffect;
+import mage.abilities.effects.keyword.AmassEffect;
+import mage.abilities.keyword.DoubleStrikeAbility;
+import mage.abilities.keyword.HasteAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.FilterPermanent;
+import mage.filter.predicate.Predicates;
+import mage.game.Game;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class AssaultOnOsgiliath extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterPermanent();
+
+    static {
+        filter.add(Predicates.or(
+                SubType.GOBLIN.getPredicate(),
+                SubType.ORC.getPredicate()
+        ));
+    }
+
+    public AssaultOnOsgiliath(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{X}{R}{R}{R}");
+
+        // Amass Orcs X, then Goblins and Orcs you control gain double strike and haste until end of turn.
+        this.getSpellAbility().addEffect(new AssimilateEssenceEffect());
+        this.getSpellAbility().addEffect(new GainAbilityControlledEffect(
+                DoubleStrikeAbility.getInstance(), Duration.EndOfTurn, filter
+        ).setText(", then Goblins and Orcs you control gain double strike"));
+        this.getSpellAbility().addEffect(new GainAbilityControlledEffect(
+                HasteAbility.getInstance(), Duration.EndOfTurn, filter
+        ).setText("and haste until end of turn"));
+    }
+
+    private AssaultOnOsgiliath(final AssaultOnOsgiliath card) {
+        super(card);
+    }
+
+    @Override
+    public AssaultOnOsgiliath copy() {
+        return new AssaultOnOsgiliath(this);
+    }
+}
+
+class AssaultOnOsgiliathEffect extends OneShotEffect {
+
+    AssaultOnOsgiliathEffect() {
+        super(Outcome.Benefit);
+        staticText = "amass Orcs X";
+    }
+
+    private AssaultOnOsgiliathEffect(final AssaultOnOsgiliathEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public AssaultOnOsgiliathEffect copy() {
+        return new AssaultOnOsgiliathEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return AmassEffect.doAmass(source.getManaCostsToPay().getX(), SubType.ORC, game, source) != null;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/TheLordOfTheRingsTalesOfMiddleEarth.java b/Mage.Sets/src/mage/sets/TheLordOfTheRingsTalesOfMiddleEarth.java
index e794bbb3154..8cabbe6667b 100644
--- a/Mage.Sets/src/mage/sets/TheLordOfTheRingsTalesOfMiddleEarth.java
+++ b/Mage.Sets/src/mage/sets/TheLordOfTheRingsTalesOfMiddleEarth.java
@@ -21,6 +21,7 @@ public final class TheLordOfTheRingsTalesOfMiddleEarth extends ExpansionSet {
         cards.add(new SetCardInfo("Aragorn and Arwen, Wed", 287, Rarity.MYTHIC, mage.cards.a.AragornAndArwenWed.class));
         cards.add(new SetCardInfo("Aragorn, the Uniter", 192, Rarity.MYTHIC, mage.cards.a.AragornTheUniter.class));
         cards.add(new SetCardInfo("Arwen's Gift", 39, Rarity.COMMON, mage.cards.a.ArwensGift.class));
+        cards.add(new SetCardInfo("Assault on Osgiliath", 285, Rarity.RARE, mage.cards.a.AssaultOnOsgiliath.class));
         cards.add(new SetCardInfo("Bag End Porter", 153, Rarity.COMMON, mage.cards.b.BagEndPorter.class));
         cards.add(new SetCardInfo("Barad-dur", 253, Rarity.RARE, mage.cards.b.BaradDur.class));
         cards.add(new SetCardInfo("Bilbo, Retired Burglar", 196, Rarity.UNCOMMON, mage.cards.b.BilboRetiredBurglar.class));