From d0a0061915fe0b13cad33ad4d898e149c4a2d608 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Sat, 23 Jan 2021 19:51:43 -0500
Subject: [PATCH] [KHC] Implemented Pact of the Serpent

---
 .../src/mage/cards/p/PactOfTheSerpent.java    | 79 +++++++++++++++++++
 .../src/mage/sets/KaldheimCommander.java      |  1 +
 2 files changed, 80 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/p/PactOfTheSerpent.java

diff --git a/Mage.Sets/src/mage/cards/p/PactOfTheSerpent.java b/Mage.Sets/src/mage/cards/p/PactOfTheSerpent.java
new file mode 100644
index 0000000000..2429e17fe6
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/p/PactOfTheSerpent.java
@@ -0,0 +1,79 @@
+package mage.cards.p;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ChooseCreatureTypeEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.filter.predicate.mageobject.ChosenSubtypePredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.TargetPlayer;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class PactOfTheSerpent extends CardImpl {
+
+    public PactOfTheSerpent(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}{B}");
+
+        // Choose a creature type. Target player draws X cards and loses X life, where X is the number of creature they control of the chosen type.
+        this.getSpellAbility().addEffect(new ChooseCreatureTypeEffect(Outcome.Neutral));
+        this.getSpellAbility().addEffect(new PactOfTheSerpentEffect());
+        this.getSpellAbility().addTarget(new TargetPlayer());
+    }
+
+    private PactOfTheSerpent(final PactOfTheSerpent card) {
+        super(card);
+    }
+
+    @Override
+    public PactOfTheSerpent copy() {
+        return new PactOfTheSerpent(this);
+    }
+}
+
+class PactOfTheSerpentEffect extends OneShotEffect {
+
+    private static final FilterPermanent filter = new FilterControlledCreaturePermanent();
+
+    static {
+        filter.add(ChosenSubtypePredicate.TRUE);
+    }
+
+    PactOfTheSerpentEffect() {
+        super(Outcome.Benefit);
+        staticText = "Target player draws X cards and loses X life, " +
+                "where X is the number of creature they control of the chosen type";
+    }
+
+    private PactOfTheSerpentEffect(final PactOfTheSerpentEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public PactOfTheSerpentEffect copy() {
+        return new PactOfTheSerpentEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getFirstTarget());
+        if (player == null) {
+            return false;
+        }
+        int permCount = game.getBattlefield().count(filter, source.getSourceId(), player.getId(), game);
+        if (permCount > 0) {
+            player.drawCards(permCount, source, game);
+            player.loseLife(permCount, game, source, false);
+        }
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/KaldheimCommander.java b/Mage.Sets/src/mage/sets/KaldheimCommander.java
index 9dce81d77a..51f945ec40 100644
--- a/Mage.Sets/src/mage/sets/KaldheimCommander.java
+++ b/Mage.Sets/src/mage/sets/KaldheimCommander.java
@@ -23,6 +23,7 @@ public final class KaldheimCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Elderfang Venom", 15, Rarity.RARE, mage.cards.e.ElderfangVenom.class));
         cards.add(new SetCardInfo("Inspired Sphinx", 40, Rarity.MYTHIC, mage.cards.i.InspiredSphinx.class));
         cards.add(new SetCardInfo("Lathril, Blade of the Elves", 1, Rarity.MYTHIC, mage.cards.l.LathrilBladeOfTheElves.class));
+        cards.add(new SetCardInfo("Pact of the Serpent", 9, Rarity.RARE, mage.cards.p.PactOfTheSerpent.class));
         cards.add(new SetCardInfo("Ruthless Winnower", 10, Rarity.RARE, mage.cards.r.RuthlessWinnower.class));
         cards.add(new SetCardInfo("Sage of the Beyond", 6, Rarity.RARE, mage.cards.s.SageOfTheBeyond.class));
         cards.add(new SetCardInfo("Spectral Deluge", 7, Rarity.RARE, mage.cards.s.SpectralDeluge.class));