Full list of all 25 Magic: The Gathering - Duels of the Planeswalkers 2013 achievements worth 250 gamerscore.
The base game contains 20 achievements worth 200 Gamerscore, and there is 1 DLC pack containing 5 achievements worth 50 Gamerscore.
Solved ten challenges
Solved the Say Your Praetors challenge in all five ways
Won a Planechase campaign duel
Defeated Nicol Bolas in the revenge campaign
Defeated ten encounters
Won a campaign duel with an opponent's library empty
Unlocked a card for each of ten different decks
Solved a challenge
Won a duel when an opponent controlled no creatures
Unlocked 30 cards for one deck
Won a campaign duel with 20 or more life
Won a duel controlling a creature with at least 10 power
Won a duel controlling at least ten creatures
Cast a mythic rare card
Won a duel on Xbox LIVE
Won a 3-player, 4-player, or Two-Headed Giant duel
Won a Two-Headed Giant duel
Defeated an encounter
Defeated Talrand in the campaign
Entered the deck manager
Defeated the Sepulchral Strength deck in the revenge campaign
Won a duel controlling at least five Auras
Won a duel with exactly 1 life
Won a duel on Xbox LIVE using an Expansion deck
Won a duel controlling at least twenty creatures