From 36c52c0ece89c852233693679c3806fb7b897305 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Fri, 22 Jan 2021 09:51:46 -0500
Subject: [PATCH] [KHC] Implemented Elderfang Venom

---
 .../src/mage/cards/e/ElderfangVenom.java      | 58 +++++++++++++++++++
 .../src/mage/sets/KaldheimCommander.java      |  1 +
 Utils/known-sets.txt                          |  2 +-
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 Mage.Sets/src/mage/cards/e/ElderfangVenom.java

diff --git a/Mage.Sets/src/mage/cards/e/ElderfangVenom.java b/Mage.Sets/src/mage/cards/e/ElderfangVenom.java
new file mode 100644
index 00000000000..6a2dff7b3bc
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/e/ElderfangVenom.java
@@ -0,0 +1,58 @@
+package mage.cards.e;
+
+import mage.abilities.Ability;
+import mage.abilities.common.DiesCreatureTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.LoseLifeOpponentsEffect;
+import mage.abilities.effects.common.continuous.GainAbilityControlledEffect;
+import mage.abilities.keyword.DeathtouchAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.permanent.AttackingPredicate;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class ElderfangVenom extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterPermanent(SubType.ELF, "attacking elves");
+
+    static {
+        filter.add(AttackingPredicate.instance);
+    }
+
+    private static final FilterPermanent filter2 = new FilterControlledPermanent(SubType.ELF, "an Elf you control");
+
+    public ElderfangVenom(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{2}{B}{G}");
+
+        // Attacking Elves you control have deathtouch.
+        this.addAbility(new SimpleStaticAbility(new GainAbilityControlledEffect(
+                DeathtouchAbility.getInstance(), Duration.WhileOnBattlefield, filter
+        )));
+
+        // Whenever an Elf you control dies, each opponent loses 1 life and you gain 1 life.
+        Ability ability = new DiesCreatureTriggeredAbility(
+                new LoseLifeOpponentsEffect(1), false, filter2
+        );
+        ability.addEffect(new GainLifeEffect(1).concatBy("and"));
+        this.addAbility(ability);
+    }
+
+    private ElderfangVenom(final ElderfangVenom card) {
+        super(card);
+    }
+
+    @Override
+    public ElderfangVenom copy() {
+        return new ElderfangVenom(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/KaldheimCommander.java b/Mage.Sets/src/mage/sets/KaldheimCommander.java
index 2824da6a795..4fbd8f59e62 100644
--- a/Mage.Sets/src/mage/sets/KaldheimCommander.java
+++ b/Mage.Sets/src/mage/sets/KaldheimCommander.java
@@ -32,6 +32,7 @@ public final class KaldheimCommander extends ExpansionSet {
         super("Kaldheim Commander", "KHC", ExpansionSet.buildDate(2021, 2, 5), SetType.SUPPLEMENTAL);
         this.hasBasicLands = false;
 
+        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.removeIf(setCardInfo -> unfinished.contains(setCardInfo.getName())); // remove when mechanic is fully implemented
diff --git a/Utils/known-sets.txt b/Utils/known-sets.txt
index 87214b20b23..fea5cfc65d1 100644
--- a/Utils/known-sets.txt
+++ b/Utils/known-sets.txt
@@ -118,7 +118,7 @@ Judgment|Judgment|
 Jumpstart|Jumpstart|
 Kaladesh|Kaladesh|
 Kaldheim|Kaldheim|
-Kaldheimm Commander|KaldheimCommander|
+Kaldheim Commander|KaldheimCommander|
 Khans of Tarkir|KhansOfTarkir|
 Launch Party|LaunchParty|
 Legends|Legends|