[ONE] Implement Tamiyo's Logbook

Mage.Sets/src/mage/cards/t/TamiyosLogbook.java

@@ -0,0 +1,72 @@
+package mage.cards.t;
+
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.CostAdjuster;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.InfoEffect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledArtifactPermanent;
+import mage.filter.predicate.mageobject.AnotherPredicate;
+import mage.game.Game;
+import mage.util.CardUtil;
+
+/**
+ * @author TheElk801
+ */
+public final class TamiyosLogbook extends CardImpl {
+
+    public TamiyosLogbook(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{2}{U}");
+
+        // {5}{U}, {T}: Draw a card. This ability costs {1} less to activate for each other artifact you control.
+        Ability ability = new SimpleActivatedAbility(
+                new DrawCardSourceControllerEffect(1), new ManaCostsImpl<>("{5}{U}")
+        );
+        ability.addCost(new TapSourceCost());
+        ability.addEffect(new InfoEffect("This ability costs {1} less to activate for each other artifact you control"));
+        this.addAbility(ability.setCostAdjuster(TamiyosLogbookAdjuster.instance).addHint(TamiyosLogbookAdjuster.getHint()));
+    }
+
+    private TamiyosLogbook(final TamiyosLogbook card) {
+        super(card);
+    }
+
+    @Override
+    public TamiyosLogbook copy() {
+        return new TamiyosLogbook(this);
+    }
+}
+
+enum TamiyosLogbookAdjuster implements CostAdjuster {
+    instance;
+    private static final FilterPermanent filter = new FilterControlledArtifactPermanent();
+
+    static {
+        filter.add(AnotherPredicate.instance);
+    }
+
+    private static final Hint hint = new ValueHint(
+            "Other artifacts you control", new PermanentsOnBattlefieldCount(filter)
+    );
+
+    @Override
+    public void adjustCosts(Ability ability, Game game) {
+        int count = game.getBattlefield().count(filter, ability.getControllerId(), ability, game);
+        CardUtil.reduceCost(ability, count);
+    }
+
+    public static Hint getHint() {
+        return hint;
+    }
+}

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

@@ -108,6 +108,7 @@ public final class PhyrexiaAllWillBeOne extends ExpansionSet {
         cards.add(new SetCardInfo("Swooping Lookout", 35, Rarity.UNCOMMON, mage.cards.s.SwoopingLookout.class));
         cards.add(new SetCardInfo("Tablet of Compleation", 245, Rarity.RARE, mage.cards.t.TabletOfCompleation.class));
         cards.add(new SetCardInfo("Tamiyo's Immobilizer", 69, Rarity.UNCOMMON, mage.cards.t.TamiyosImmobilizer.class));
+        cards.add(new SetCardInfo("Tamiyo's Logbook", 70, Rarity.UNCOMMON, mage.cards.t.TamiyosLogbook.class));
         cards.add(new SetCardInfo("The Filigree Sylex", 227, Rarity.RARE, mage.cards.t.TheFiligreeSylex.class));
         cards.add(new SetCardInfo("The Monumental Facade", 255, Rarity.RARE, mage.cards.t.TheMonumentalFacade.class));
         cards.add(new SetCardInfo("The Seedcore", 259, Rarity.RARE, mage.cards.t.TheSeedcore.class));