Full list of all 38 Magic 2014 - Duels of the Planeswalkers achievements worth 500 gamerscore.
The base game contains 30 achievements worth 400 Gamerscore, and there is 1 DLC pack containing 8 achievements worth 100 Gamerscore.
Dealt a total of 5000 damage
Won 75 games
Destroyed or dealt lethal damage to 300 creatures
Unlocked 50 cards
Countered 25 spells
Won a game with each deck
Unlocked every deck
Defeated Ramaz
Defeated the "Masks of the Dimir" deck in campaign mode
Defeated the "Enter the Dracomancer" deck in campaign mode
Controlled seven or more Slivers with different names
Defeated the "Sliver Hive" deck in campaign mode
Had 40 permanents on the battlefield
Controlled a permanent with ten or more counters on it
Won a game while dealing no combat damage to a player
Controlled seventeen land of a single type
Defeated the "Chant of Mul Daya" deck in campaign mode
Defeated the "Avacyn’s Glory" deck in campaign mode
Lost the “Angry Mob” encounter
Completed the Sealed campaign
Won 25 games
Won a Sealed game
Solved every Challenge
Dealt over 200 damage in the "Go Berserk" Challenge
Solved a Challenge
Won a Multiplayer game
Won a Two-Headed Giant game
Won a game without losing any life
Won a game without destroying or dealing lethal damage to a creature
Fully unlocked one deck
Solved all expansion Challenges
Won a game with each expansion deck
Controlled a permanent with two or more Equipment attached to it
Won a game at 1 life
Dealt 10 damage to a player with a single spell or ability
Defeated the "Lords of Darkness" deck in campaign mode
Defeated the "Sword of the Samurai" deck in campaign mode
Controlled an attacking creature with power 10 or greater