[C21] Implemented Commander's Insight

Mage.Sets/src/mage/cards/c/CommandersInsight.java

@@ -0,0 +1,101 @@
+package mage.cards.c;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.hint.Hint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.TargetPlayer;
+import mage.watchers.common.CommanderPlaysCountWatcher;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class CommandersInsight extends CardImpl {
+
+    public CommandersInsight(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{X}{U}{U}{U}");
+
+        // Target player draws X cards plus an additional card for each time they've cast a commander from the command zone this game.
+        this.getSpellAbility().addEffect(new CommandersInsightEffect());
+        this.getSpellAbility().addTarget(new TargetPlayer());
+        this.getSpellAbility().addWatcher(new CommanderPlaysCountWatcher());
+    }
+
+    private CommandersInsight(final CommandersInsight card) {
+        super(card);
+    }
+
+    @Override
+    public CommandersInsight copy() {
+        return new CommandersInsight(this);
+    }
+}
+
+enum CommandersInsightHint implements Hint {
+    instance;
+
+    @Override
+    public String getText(Game game, Ability ability) {
+        CommanderPlaysCountWatcher watcher = game.getState().getWatcher(CommanderPlaysCountWatcher.class);
+        if (watcher == null) {
+            return null;
+        }
+        StringBuilder sb = new StringBuilder("Commander cast counts — ");
+        boolean flag = false;
+        for (UUID playerId : game.getState().getPlayersInRange(ability.getControllerId(), game)) {
+            Player player = game.getPlayer(playerId);
+            if (player == null) {
+                continue;
+            }
+            if (flag) {
+                sb.append(',').append(' ');
+            }
+            flag = true;
+            sb.append(player.getName());
+            sb.append(": ");
+            sb.append(watcher.getPlayerCount(playerId));
+        }
+        return sb.toString();
+    }
+
+    @Override
+    public CommandersInsightHint copy() {
+        return instance;
+    }
+}
+
+class CommandersInsightEffect extends OneShotEffect {
+
+    CommandersInsightEffect() {
+        super(Outcome.Benefit);
+        staticText = "target player draws X cards plus an additional card " +
+                "for each time they've cast a commander from the command zone this game";
+    }
+
+    private CommandersInsightEffect(final CommandersInsightEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CommandersInsightEffect copy() {
+        return new CommandersInsightEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getFirstTarget());
+        CommanderPlaysCountWatcher watcher = game.getState().getWatcher(CommanderPlaysCountWatcher.class);
+        if (player == null || watcher == null) {
+            return false;
+        }
+        int toDraw = watcher.getPlayerCount(player.getId()) + source.getManaCostsToPay().getX();
+        return player.drawCards(toDraw, source, game) > 0;
+    }
+}

Mage.Sets/src/mage/sets/Commander2021Edition.java

@@ -68,6 +68,7 @@ public final class Commander2021Edition extends ExpansionSet {
         cards.add(new SetCardInfo("Coiling Oracle", 212, Rarity.COMMON, mage.cards.c.CoilingOracle.class));
         cards.add(new SetCardInfo("Combustible Gearhulk", 163, Rarity.MYTHIC, mage.cards.c.CombustibleGearhulk.class));
         cards.add(new SetCardInfo("Command Tower", 284, Rarity.COMMON, mage.cards.c.CommandTower.class));
+        cards.add(new SetCardInfo("Commander's Insight", 23, Rarity.RARE, mage.cards.c.CommandersInsight.class));
         cards.add(new SetCardInfo("Commander's Sphere", 239, Rarity.COMMON, mage.cards.c.CommandersSphere.class));
         cards.add(new SetCardInfo("Coveted Jewel", 240, Rarity.RARE, mage.cards.c.CovetedJewel.class));
         cards.add(new SetCardInfo("Crackling Drake", 213, Rarity.UNCOMMON, mage.cards.c.CracklingDrake.class));