diff --git a/res/blockdata/formats.txt b/res/blockdata/formats.txt
index a6bb1f534e2..96ed28e9ff3 100644
--- a/res/blockdata/formats.txt
+++ b/res/blockdata/formats.txt
@@ -1,12 +1,12 @@
 [Standard]
-Sets:ISD, DKA, AVR, M13, RTR, GTC, DGM, M14
+Sets:RTR, GTC, DGM, M14, THS
 
 [Extended]
-Sets:ZEN, WWK, ROE, M11, SOM, MBS, NPH, M12, ISD, DKA, AVR, M13, RTR, GTC, DGM, M14
+Sets:SOM, MBS, NPH, M12, ISD, DKA, AVR, M13, RTR, GTC, DGM, M14, THS
 Banned:Stoneforge Mystic; Jace, the Mind Sculptor; Ponder; Preordain; Mental Misstep
 
 [Modern]
-Sets:8ED, MRD, DST, 5DN, CHK, BOK, SOK, 9ED, RAV, GPT, DIS, CSP, TSP, TSB, PLC, FUT, 10E, LRW, EVE, SHM, MOR, ALA, CFX, ARB, M10, ZEN, WWK, ROE, M11, SOM, MBS, NPH, M12, ISD, DKA, AVR, M13, RTR, GTC, DGM, M14
+Sets:8ED, MRD, DST, 5DN, CHK, BOK, SOK, 9ED, RAV, GPT, DIS, CSP, TSP, TSB, PLC, FUT, 10E, LRW, EVE, SHM, MOR, ALA, CFX, ARB, M10, ZEN, WWK, ROE, M11, SOM, MBS, NPH, M12, ISD, DKA, AVR, M13, RTR, GTC, DGM, M14, THS
 Banned:Ancestral Vision; Ancient Den; Bitterblossom; Blazing Shoal; Bloodbraid Elf; Chrome Mox; Cloudpost; Dark Depths; Dread Return; Glimpse of Nature; Golgari Grave-Troll; Great Furnace; Green Sun's Zenith; Hypergenesis; Jace, the Mind Sculptor; Mental Misstep; Ponder; Preordain; Punishing Fire; Rite of Flame; Seat of the Synod; Seething Song; Sensei's Divining Top; Stoneforge Mystic; Skullclamp; Sword of the Meek; Tree of Tales; Umezawa's Jitte; Vault of Whispers; Wild Nacatl
 
 [Legacy]