Full list of all 15 Magic: The Gathering - Duels of the Planeswalkers 2012 achievements worth 250 gamerscore.
The base game contains 12 achievements worth 200 Gamerscore, and there is 1 DLC packs containing 3 achievements worth 50 Gamerscore.
All achievements
Achievements they've won
Achievements they've not won
Complete the Archenemy campaign
Solve Fifteen Challenges
Host an Archenemy match on Xbox LIVE with two human teammates
Defeat an Archenemy in a game
Defeat Karn in a campaign game
Defeat Gideon in the Single-Player Campaign
Solve a Challenge
Defeat Kiora in the Single-Player Campaign
Defeat Chandra in the Single-Player Campaign
Control three artifacts in a game
Cast a Mythic rare spell in a game
Defeat Koth in the Single-Player Campaign
Host a match on Xbox LIVE as the Archenemy
Defeat Jace, Jace and Jace as the Archenemy in a campaign game
Defeat Gideon, Garruk and Koth as the Archenemy in a campaign game