diff --git a/resources/magic/data/formats/standard.fmt b/resources/magic/data/formats/standard.fmt
index ada5744f69..2555c3623b 100644
--- a/resources/magic/data/formats/standard.fmt
+++ b/resources/magic/data/formats/standard.fmt
@@ -1,19 +1,10 @@
+GRN
 M19
 DOM
 RIX
 XLN
-HOU
-AKH
-AER
-KLD
 
 # banned: prefix with !
-!Aetherworks Marvel
-!Attune with Aether
-!Felidar Guardian
 !Rampaging Ferocidon
-!Ramunap Ruins
-!Rogue Refiner
-!Smuggler's Copter
 
 # restricted: prefix with *
diff --git a/src/magic/data/MagicSets.java b/src/magic/data/MagicSets.java
index cbaa5ae62c..8d3c1b8745 100644
--- a/src/magic/data/MagicSets.java
+++ b/src/magic/data/MagicSets.java
@@ -4,6 +4,7 @@ public enum MagicSets {
 
     // Release date string should be in YYYY-MM-DD format.
 
+    GRN("Guilds of Ravnica", "2018-10-05"),
     C18("Commander 2018", "2018-08-10"),
     M19("Core Set 2019", "2018-07-13"),
     DOM("Dominaria", "2018-04-27"),