[STX] Implemented Leyline Invocation

Mage.Sets/src/mage/cards/l/LeylineInvocation.java

@@ -0,0 +1,36 @@
+package mage.cards.l;
+
+import mage.abilities.dynamicvalue.common.LandsYouControlCount;
+import mage.abilities.hint.common.LandsYouControlHint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.game.permanent.token.QuandrixToken;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class LeylineInvocation extends CardImpl {
+
+    public LeylineInvocation(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{5}{G}");
+
+        // Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of lands you control.
+        this.getSpellAbility().addEffect(QuandrixToken.getEffect(
+                LandsYouControlCount.instance, "Put X +1/+1 counters on it, " +
+                        "where X is the number of lands you control"
+        ));
+        this.getSpellAbility().addHint(LandsYouControlHint.instance);
+    }
+
+    private LeylineInvocation(final LeylineInvocation card) {
+        super(card);
+    }
+
+    @Override
+    public LeylineInvocation copy() {
+        return new LeylineInvocation(this);
+    }
+}

Mage.Sets/src/mage/sets/StrixhavenSchoolOfMages.java

@@ -121,6 +121,7 @@ public final class StrixhavenSchoolOfMages extends ExpansionSet {
         cards.add(new SetCardInfo("Leech Fanatic", 75, Rarity.COMMON, mage.cards.l.LeechFanatic.class));
         cards.add(new SetCardInfo("Leonin Lightscribe", 20, Rarity.RARE, mage.cards.l.LeoninLightscribe.class));
         cards.add(new SetCardInfo("Letter of Acceptance", 256, Rarity.COMMON, mage.cards.l.LetterOfAcceptance.class));
+        cards.add(new SetCardInfo("Leyline Invocation", 136, Rarity.COMMON, mage.cards.l.LeylineInvocation.class));
         cards.add(new SetCardInfo("Lorehold Apprentice", 198, Rarity.UNCOMMON, mage.cards.l.LoreholdApprentice.class));
         cards.add(new SetCardInfo("Lorehold Campus", 268, Rarity.COMMON, mage.cards.l.LoreholdCampus.class));
         cards.add(new SetCardInfo("Lorehold Command", 199, Rarity.RARE, mage.cards.l.LoreholdCommand.class));

Mage/src/main/java/mage/abilities/dynamicvalue/common/LandsYouControlCount.java

@@ -0,0 +1,37 @@
+package mage.abilities.dynamicvalue.common;
+
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+
+/**
+ * @author TheElk801
+ */
+public enum LandsYouControlCount implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        return game.getBattlefield().count(
+                StaticFilters.FILTER_CONTROLLED_PERMANENT_LAND,
+                sourceAbility.getSourceId(), sourceAbility.getControllerId(), game
+        );
+    }
+
+    @Override
+    public LandsYouControlCount copy() {
+        return instance;
+    }
+
+    @Override
+    public String toString() {
+        return "X";
+    }
+
+    @Override
+    public String getMessage() {
+        return "lands you control";
+    }
+}

Mage/src/main/java/mage/abilities/hint/common/LandsYouControlHint.java

@@ -0,0 +1,26 @@
+package mage.abilities.hint.common;
+
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.common.LandsYouControlCount;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.game.Game;
+
+/**
+ * @author TheElk801
+ */
+public enum LandsYouControlHint implements Hint {
+
+    instance;
+    private static final Hint hint = new ValueHint("Lands you control", LandsYouControlCount.instance);
+
+    @Override
+    public String getText(Game game, Ability ability) {
+        return hint.getText(game, ability);
+    }
+
+    @Override
+    public Hint copy() {
+        return instance;
+    }
+}