Implemented Growth Cycle

Mage.Sets/src/mage/cards/g/GrowthCycle.java

@@ -0,0 +1,75 @@
+package mage.cards.g;
+
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public final class GrowthCycle extends CardImpl {
+
+    public GrowthCycle(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{1}{G}");
+
+        // Target creature gets +3/+3 until end of turn. It gets an additional +2/+2 until end of turn for each card named Growth Cycle in your graveyard.
+        this.getSpellAbility().addEffect(new BoostTargetEffect(
+                        GrowthCycleValue.instance, GrowthCycleValue.instance,
+                        Duration.EndOfTurn, true
+                ).setText("Target creature gets +3/+3 until end of turn. " +
+                        "It gets an additional +2/+2 until end of turn " +
+                        "for each card named Growth Cycle in your graveyard.")
+        );
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    private GrowthCycle(final GrowthCycle card) {
+        super(card);
+    }
+
+    @Override
+    public GrowthCycle copy() {
+        return new GrowthCycle(this);
+    }
+}
+
+enum GrowthCycleValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        Player player = game.getPlayer(sourceAbility.getControllerId());
+        if (player == null) {
+            return 0;
+        }
+        return player
+                .getGraveyard()
+                .getCards(game)
+                .stream()
+                .map(Card::getName)
+                .filter(s -> s.equals("Growth Cycle"))
+                .collect(Collectors.reducing(0, e -> 1, Integer::sum));
+    }
+
+    @Override
+    public GrowthCycleValue copy() {
+        return instance;
+    }
+
+    @Override
+    public String getMessage() {
+        return "";
+    }
+}

Mage.Sets/src/mage/sets/CoreSet2020.java

@@ -52,6 +52,7 @@ public final class CoreSet2020 extends ExpansionSet {
         cards.add(new SetCardInfo("Flame Sweep", 139, Rarity.UNCOMMON, mage.cards.f.FlameSweep.class));
         cards.add(new SetCardInfo("Flood of Tears", 59, Rarity.RARE, mage.cards.f.FloodOfTears.class));
         cards.add(new SetCardInfo("Goblin Ringleader", 141, Rarity.UNCOMMON, mage.cards.g.GoblinRingleader.class));
+        cards.add(new SetCardInfo("Growth Cycle", 175, Rarity.COMMON, mage.cards.g.GrowthCycle.class));
         cards.add(new SetCardInfo("Hanged Executioner", 22, Rarity.RARE, mage.cards.h.HangedExecutioner.class));
         cards.add(new SetCardInfo("Infuriate", 145, Rarity.COMMON, mage.cards.i.Infuriate.class));
         cards.add(new SetCardInfo("Ironroot Warlord", 209, Rarity.UNCOMMON, mage.cards.i.IronrootWarlord.class));