From 473eca6bfc5e7b6b75d7f63cc0107c2e29e32889 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Wed, 31 Mar 2021 08:50:01 -0400
Subject: [PATCH] [STX] Implemented Golden Ratio

---
 Mage.Sets/src/mage/cards/g/GoldenRatio.java   | 77 +++++++++++++++++++
 .../mage/sets/StrixhavenSchoolOfMages.java    |  1 +
 2 files changed, 78 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/g/GoldenRatio.java

diff --git a/Mage.Sets/src/mage/cards/g/GoldenRatio.java b/Mage.Sets/src/mage/cards/g/GoldenRatio.java
new file mode 100644
index 00000000000..60bb92f6c3d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/g/GoldenRatio.java
@@ -0,0 +1,77 @@
+package mage.cards.g;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class GoldenRatio extends CardImpl {
+
+    public GoldenRatio(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{G}{U}");
+
+        // Draw a card for each different power among creatures you control.
+        this.getSpellAbility().addEffect(new GoldenRatioEffect());
+    }
+
+    private GoldenRatio(final GoldenRatio card) {
+        super(card);
+    }
+
+    @Override
+    public GoldenRatio copy() {
+        return new GoldenRatio(this);
+    }
+}
+
+class GoldenRatioEffect extends OneShotEffect {
+
+    GoldenRatioEffect() {
+        super(Outcome.Benefit);
+        staticText = "draw a card for each different power among creatures you control";
+    }
+
+    private GoldenRatioEffect(final GoldenRatioEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public GoldenRatioEffect copy() {
+        return new GoldenRatioEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        int unique = game
+                .getBattlefield()
+                .getActivePermanents(
+                        StaticFilters.FILTER_CONTROLLED_CREATURE,
+                        source.getControllerId(), source.getSourceId(), game
+                )
+                .stream()
+                .filter(Objects::nonNull)
+                .map(MageObject::getPower)
+                .mapToInt(MageInt::getValue)
+                .distinct()
+                .map(x -> 1)
+                .sum();
+        return player.drawCards(unique, source, game) > 0;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/StrixhavenSchoolOfMages.java b/Mage.Sets/src/mage/sets/StrixhavenSchoolOfMages.java
index 034dc24f155..9aa145c9d63 100644
--- a/Mage.Sets/src/mage/sets/StrixhavenSchoolOfMages.java
+++ b/Mage.Sets/src/mage/sets/StrixhavenSchoolOfMages.java
@@ -55,6 +55,7 @@ public final class StrixhavenSchoolOfMages extends ExpansionSet {
         cards.add(new SetCardInfo("Frostboil Snarl", 265, Rarity.RARE, mage.cards.f.FrostboilSnarl.class));
         cards.add(new SetCardInfo("Furycalm Snarl", 266, Rarity.RARE, mage.cards.f.FurycalmSnarl.class));
         cards.add(new SetCardInfo("Go Blank", 72, Rarity.UNCOMMON, mage.cards.g.GoBlank.class));
+        cards.add(new SetCardInfo("Golden Ratio", 190, Rarity.UNCOMMON, mage.cards.g.GoldenRatio.class));
         cards.add(new SetCardInfo("Grinning Ignus", 104, Rarity.UNCOMMON, mage.cards.g.GrinningIgnus.class));
         cards.add(new SetCardInfo("Heated Debate", 106, Rarity.COMMON, mage.cards.h.HeatedDebate.class));
         cards.add(new SetCardInfo("Igneous Inspiration", 107, Rarity.UNCOMMON, mage.cards.i.IgneousInspiration.class));