diff --git a/Mage.Sets/src/mage/cards/g/GideonTheOathsworn.java b/Mage.Sets/src/mage/cards/g/GideonTheOathsworn.java
new file mode 100644
index 00000000000..d1ab66a505d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/g/GideonTheOathsworn.java
@@ -0,0 +1,167 @@
+package mage.cards.g;
+
+import mage.MageInt;
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.LoyaltyAbility;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.common.PlaneswalkerEntersWithLoyaltyCountersAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ExileAllEffect;
+import mage.abilities.effects.common.ExileSourceEffect;
+import mage.abilities.effects.common.PreventAllDamageToSourceEffect;
+import mage.abilities.effects.common.continuous.BecomesCreatureSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.game.permanent.token.TokenImpl;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class GideonTheOathsworn extends CardImpl {
+
+    public GideonTheOathsworn(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.PLANESWALKER}, "{4}{W}{W}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.GIDEON);
+        this.addAbility(new PlaneswalkerEntersWithLoyaltyCountersAbility(4));
+
+        // Whenever you attack with two or more non-Gideon creatures, put a +1/+1 counter on each of those creatures.
+        this.addAbility(new GideonTheOathswornTriggeredAbility());
+
+        // +2: Until end of turn, Gideon, the Oathsworn becomes a 5/5 white Soldier creature that's still a planeswalker. Prevent all damage that would be dealt to him this turn.
+        Ability ability = new LoyaltyAbility(new BecomesCreatureSourceEffect(
+                new GideonTheOathswornToken(), "planeswalker", Duration.EndOfTurn
+        ), 2);
+        ability.addEffect(new PreventAllDamageToSourceEffect(
+                Duration.EndOfTurn
+        ).setText("Prevent all damage that would be dealt to him this turn"));
+        this.addAbility(ability);
+
+        // -9: Exile Gideon, the Oathsworn and each creature your opponents control.
+        ability = new LoyaltyAbility(new ExileSourceEffect(), -9);
+        ability.addEffect(new ExileAllEffect(
+                StaticFilters.FILTER_OPPONENTS_PERMANENT_CREATURE
+        ).setText("and each creature your opponents control"));
+        this.addAbility(ability);
+    }
+
+    private GideonTheOathsworn(final GideonTheOathsworn card) {
+        super(card);
+    }
+
+    @Override
+    public GideonTheOathsworn copy() {
+        return new GideonTheOathsworn(this);
+    }
+}
+
+class GideonTheOathswornTriggeredAbility extends TriggeredAbilityImpl {
+
+    GideonTheOathswornTriggeredAbility() {
+        super(Zone.BATTLEFIELD, null);
+    }
+
+    private GideonTheOathswornTriggeredAbility(final GideonTheOathswornTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public GideonTheOathswornTriggeredAbility copy() {
+        return new GideonTheOathswornTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DECLARED_ATTACKERS;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if (game.getCombat().getAttackingPlayerId().equals(getControllerId())) {
+            int attackerCount = 0;
+            Set<MageObjectReference> attackers = new HashSet();
+            for (UUID attackerId : game.getCombat().getAttackers()) {
+                Permanent permanent = game.getPermanent(attackerId);
+                if (permanent != null && permanent.isCreature() && !permanent.hasSubtype(SubType.GIDEON, game)) {
+                    attackerCount++;
+                    attackers.add(new MageObjectReference(permanent, game));
+                }
+            }
+            if (attackerCount >= 2) {
+                this.getEffects().clear();
+                this.addEffect(new GideonTheOathswornEffect(attackers));
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever you attack with two or more non-Gideon creatures, " +
+                "put a +1/+1 counter on each of those creatures.";
+    }
+}
+
+class GideonTheOathswornEffect extends OneShotEffect {
+
+    private final Set<MageObjectReference> attackers;
+
+    GideonTheOathswornEffect(Set<MageObjectReference> attackers) {
+        super(Outcome.Benefit);
+        this.attackers = attackers;
+    }
+
+    private GideonTheOathswornEffect(final GideonTheOathswornEffect effect) {
+        super(effect);
+        this.attackers = effect.attackers;
+    }
+
+    @Override
+    public GideonTheOathswornEffect copy() {
+        return new GideonTheOathswornEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        for (MageObjectReference mor : attackers) {
+            Permanent permanent = mor.getPermanent(game);
+            if (permanent != null) {
+                permanent.addCounters(CounterType.P1P1.createInstance(), source, game);
+            }
+        }
+        return true;
+    }
+}
+
+class GideonTheOathswornToken extends TokenImpl {
+
+    GideonTheOathswornToken() {
+        super("", "5/5 white Soldier creature");
+        cardType.add(CardType.CREATURE);
+        subtype.add(SubType.SOLDIER);
+        power = new MageInt(5);
+        toughness = new MageInt(5);
+    }
+
+    private GideonTheOathswornToken(final GideonTheOathswornToken token) {
+        super(token);
+    }
+
+    @Override
+    public GideonTheOathswornToken copy() {
+        return new GideonTheOathswornToken(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/WarOfTheSpark.java b/Mage.Sets/src/mage/sets/WarOfTheSpark.java
index 3518f652331..90c31244117 100644
--- a/Mage.Sets/src/mage/sets/WarOfTheSpark.java
+++ b/Mage.Sets/src/mage/sets/WarOfTheSpark.java
@@ -82,6 +82,7 @@ public final class WarOfTheSpark extends ExpansionSet {
         cards.add(new SetCardInfo("Gideon's Battle Cry", 267, Rarity.RARE, mage.cards.g.GideonsBattleCry.class));
         cards.add(new SetCardInfo("Gideon's Company", 268, Rarity.UNCOMMON, mage.cards.g.GideonsCompany.class));
         cards.add(new SetCardInfo("Gideon's Triumph", 15, Rarity.UNCOMMON, mage.cards.g.GideonsTriumph.class));
+        cards.add(new SetCardInfo("Gideon, the Oathsworn", 265, Rarity.MYTHIC, mage.cards.g.GideonTheOathsworn.class));
         cards.add(new SetCardInfo("Gleaming Overseer", 198, Rarity.UNCOMMON, mage.cards.g.GleamingOverseer.class));
         cards.add(new SetCardInfo("Goblin Assailant", 128, Rarity.COMMON, mage.cards.g.GoblinAssailant.class));
         cards.add(new SetCardInfo("Goblin Assault Team", 129, Rarity.COMMON, mage.cards.g.GoblinAssaultTeam.class));