Greatest Champion is the 31st booster pack in the OCG.
The set introduces the race of
Origin. This is also the first set to have multicolored cross gears that aren't Evolution Cross Gears, Fire or Nature Knights and Light or Darkness Samurais.
This set lacks a
Water card at the Super Rare rarity.
This set introduces the following keywords;
Galaxy Breaker (This creature breaks all your opponent's shields. After the attack, break all your shields.)
Knightly Generation (When you put this creature into the battle zone, you may cast a spell in your hand that has "Knight Magic" for no cost.)
Samurai Magic (When you generate this card and you have a Samurai creature in the battle zone, search your deck. You may put a "CARD NAME" from it into the battle zone for no cost. Then shuffle your deck.)
36/55 Oracion, Mysterious Samurai
37/55 Wacon, Vizier of Arms
38/55 Bouncy Ball Bowler, the Oracle
39/55 Heavenly Gear - Daylight Deity
40/55 Aqua Blade, Blue Wolf
41/55 Chanting Clineko
42/55 Cosmo Politan
43/55 Fortune Slot
44/55 Dark Hayate, Parasitic Worm
45/55 Crescent Worm, Fullmetal Insect
46/55 Proclamation of Weakness
47/55 Wicked Fan - Night Breeze
48/55 Inaba Geeze, the Explosive
49/55 Magnus, Explosive Crimson Lord
50/55 Rikabu Flipper, Explosive Artisan
51/55 Magic Shot - Sword Launcher
52/55 Windsor Giant
53/55 Matthew Stewart, Wild Beast
54/55 Windy Nature, the Whirlwind
55/55 Magic Shot - Panda Full Life
DM-31 set advertisement
This is the first set without a Cycle.