Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

Bond of Alliance (5 points): Play a game of 2 vs. 2 alliance against online opposition. 
Designation of Horseman (20 points): Have 5 succesive wins again online opposition. 
Designation of Mania Soldier (30 points): Have 10 succesive wins again online opposition. 
Designation of Soldier (10 points): Have 3 succesive wins again online opposition. 
Lord of Fire (20 points): All lands have fire attribute. 
Lord of Water (20 points): All lands have water attribute. 
Lord of Wind (20 points): All lands have wind attribute. 
Outer Space Investigator (30 points): Obtain 1,000 or more cards. 
Proof of Ace (30 points): Achieve 100 victory against online opposition. 
Proof of Chamion (60 points): Achieve 200 victory against online opposition. 
Proof of Discipline (10 points): Achieve 10 victory against online opposition. 
Proof of Fighter (15 points): Achieve 30 victory against online opposition. 
Proof of Superperson (20 points): Achieve 50 victory against online opposition. 
Proof of Victory (5 points): Achieve 1 victory against online opposition. 
The Dragon God (30 points): All dragons are arranged simultaneously. 
World Investigator (20 points): Obtain 500 or more cards.