Implemented Atemsis, All-Seeing

Mage.Sets/src/mage/cards/a/AtemsisAllSeeing.java

@@ -0,0 +1,98 @@
+package mage.cards.a;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.DealsDamageToOpponentTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.DrawDiscardControllerEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class AtemsisAllSeeing extends CardImpl {
+
+    public AtemsisAllSeeing(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{U}{U}{U}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.SPHINX);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(5);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // {2}{U}, {T}: Draw two cards, then discard a card.
+        Ability ability = new SimpleActivatedAbility(
+                new DrawDiscardControllerEffect(2, 1), new ManaCostsImpl("{2}{U}")
+        );
+        ability.addCost(new TapSourceCost());
+        this.addAbility(ability);
+
+        // Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different converted mana costs are revealed this way, that player loses the game.
+        this.addAbility(new DealsDamageToOpponentTriggeredAbility(
+                new AtemsisAllSeeingEffect(), true, false, true
+        ));
+    }
+
+    private AtemsisAllSeeing(final AtemsisAllSeeing card) {
+        super(card);
+    }
+
+    @Override
+    public AtemsisAllSeeing copy() {
+        return new AtemsisAllSeeing(this);
+    }
+}
+
+class AtemsisAllSeeingEffect extends OneShotEffect {
+
+    AtemsisAllSeeingEffect() {
+        super(Outcome.Benefit);
+        staticText = "reveal your hand. If cards with at least six different converted mana costs " +
+                "are revealed this way, that player loses the game.";
+    }
+
+    private AtemsisAllSeeingEffect(final AtemsisAllSeeingEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public AtemsisAllSeeingEffect copy() {
+        return new AtemsisAllSeeingEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        Player opponent = game.getPlayer(targetPointer.getFirst(game, source));
+        if (controller == null || opponent == null) {
+            return false;
+        }
+        controller.revealCards(source, controller.getHand(), game);
+        if (controller
+                .getHand()
+                .getCards(game)
+                .stream()
+                .map(card -> card.getConvertedManaCost())
+                .distinct()
+                .count() > 5) {
+            opponent.lost(game);
+        }
+        return true;
+    }
+}

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

@@ -28,6 +28,7 @@ public final class CoreSet2020 extends ExpansionSet {
         this.maxCardNumberInBooster = 280;
 
         cards.add(new SetCardInfo("Angel of Vitality", 4, Rarity.UNCOMMON, mage.cards.a.AngelOfVitality.class));
+        cards.add(new SetCardInfo("Atemsis, All-Seeing", 046, Rarity.RARE, mage.cards.a.AtemsisAllSeeing.class));
         cards.add(new SetCardInfo("Chandra's Spitfire", 132, Rarity.UNCOMMON, mage.cards.c.ChandrasSpitfire.class));
         cards.add(new SetCardInfo("Chandra, Acolyte of Flame", 126, Rarity.RARE, mage.cards.c.ChandraAcolyteOfFlame.class));
         cards.add(new SetCardInfo("Chandra, Awakened Inferno", 127, Rarity.MYTHIC, mage.cards.c.ChandraAwakenedInferno.class));