4 files changed, 15 insertions, 10 deletions
diff --git a/include/constants/global.h b/include/constants/global.h
index 7fca5453c..12d6178b2 100644
--- a/include/constants/global.h
+++ b/include/constants/global.h
@@ -92,6 +92,8 @@
 #define WONDER_CARD_BODY_TEXT_LINES 4
 #define WONDER_NEWS_BODY_TEXT_LINES 10
 
+#define MAX_STAMP_CARD_STAMPS 7
+
 #define MALE 0
 #define FEMALE 1
 #define GENDER_COUNT 2
diff --git a/include/constants/mevent.h b/include/constants/mevent.h
index 91eacd801..636043fdb 100644
--- a/include/constants/mevent.h
+++ b/include/constants/mevent.h
@@ -13,11 +13,13 @@
 #define CARD_STAT_NUM_STAMPS    3
 #define CARD_STAT_MAX_STAMPS    4
 
+// Values for the type field of Wonder Card
 #define CARD_TYPE_GIFT       0 // Normal "Wonder Card"
 #define CARD_TYPE_STAMP      1 // "Stamp Card"
 #define CARD_TYPE_LINK_STAT  2 // Referred to as the "Battle Card", shows battle and trade stats
 #define CARD_TYPE_COUNT      3
 
+// Values for the sendType field of Wonder Card/News
 #define SEND_TYPE_DISALLOWED     0
 #define SEND_TYPE_ALLOWED        1
 #define SEND_TYPE_ALLOWED_ALWAYS 2
@@ -27,10 +29,9 @@
 #define HAS_SAME_CARD 1
 #define HAS_DIFF_CARD 2
 
+// The number of battles needed to be recorded on a Battle Card to win a prize
 #define REQUIRED_CARD_BATTLES 3
 
-#define MAX_CARD_STAMPS 7
-
 // Stamps are 32 bits. The first 16 bits are the species
 // and the second 16 bits are a number (presumably an ID of some kind)
 #define STAMP_SPECIES 0
diff --git a/include/global.h b/include/global.h
index 36fbfc38d..8681f7289 100644
--- a/include/global.h
+++ b/include/global.h
@@ -847,7 +847,7 @@ struct WonderNewsMetadata
 
 struct WonderNews
 {
-    u16 unk_00;
+    u16 id;
     u8 sendType; // SEND_TYPE_*
     u8 bgType;
     u8 titleText[WONDER_NEWS_TEXT_LENGTH];
@@ -876,7 +876,7 @@ struct WonderCardMetadata
     u16 battlesLost;
     u16 numTrades;
     u16 iconSpecies;
-    u16 stampData[2][7];
+    u16 stampData[2][MAX_STAMP_CARD_STAMPS]; // First element is STAMP_SPECIES, second is STAMP_ID
 };
 
 struct MysteryGiftSave
diff --git a/include/mevent.h b/include/mevent.h
index 9b7ef3ab5..c3e14f1f3 100755
--- a/include/mevent.h
+++ b/include/mevent.h
@@ -6,11 +6,13 @@
 
 struct MysteryGiftLinkGameData
 {
-    u32 unk_00;
-    u16 unk_04;
-    u32 unk_08;
-    u16 unk_0C;
-    u32 unk_10;
+    // It's possible these first 5 fields had some other meaningful purpose,
+    // but they are only ever set when creating this data and read to validate it.
+    u32 validationVar;
+    u16 validationFlag1;
+    u32 validationFlag2;
+    u16 validationGiftType1;
+    u32 validationGiftType2;
     u16 flagId;
     u16 questionnaireWords[NUM_QUESTIONNAIRE_WORDS];
     struct WonderCardMetadata cardMetadata;
@@ -50,6 +52,6 @@ u16 MysteryGift_GetCardStatFromLinkData(const struct MysteryGiftLinkGameData *da
 u16 MysteryGift_GetCardStat(u32 stat);
 void MysteryGift_DisableStats(void);
 bool32 MysteryGift_TryEnableStatsByFlagId(u16 flagId);
-void TryIncrementMysteryGiftStat(u32 stat, u32 trainerId);
+void MysteryGift_TryIncrementStat(u32 stat, u32 trainerId);
 
 #endif //GUARD_MEVENT_H