Split the Magic Player Rewards (MPRP) promotional set into the individual sets.

- Removed Magic Player Rewards (MPRP)
- Added MPR sets 2001 (MPR), 2003-2011 (P03 - P11)

Mage.Sets/src/mage/sets/MagicPlayerRewards2004.java

@@ -0,0 +1,25 @@
+package mage.sets;
+
+import mage.cards.ExpansionSet;
+import mage.constants.Rarity;
+import mage.constants.SetType;
+
+/**
+ * https://scryfall.com/sets/p04
+ */
+public class MagicPlayerRewards2004 extends ExpansionSet {
+
+    private static final MagicPlayerRewards2004 instance = new MagicPlayerRewards2004();
+
+    public static MagicPlayerRewards2004 getInstance() {
+        return instance;
+    }
+
+    private MagicPlayerRewards2004() {
+        super("Magic Player Rewards 2004", "P04", ExpansionSet.buildDate(2004, 1, 1), SetType.PROMOTIONAL);
+        this.hasBoosters = false;
+        this.hasBasicLands = false;
+
+        cards.add(new SetCardInfo("Powder Keg", 1, Rarity.RARE, mage.cards.p.PowderKeg.class));
+     }
+}