Full list of all 35 Magic 2015 - Duels of the Planeswalkers achievements worth 500 gamerscore.
The base game contains 30 achievements worth 400 Gamerscore, and there is 1 DLC pack containing 5 achievements worth 100 Gamerscore.
Won 100 Multiplayer Duels
Won a Multiplayer Duel
Had seven lands on the battlefield before the end of your fourth turn
Dealt 20 damage with Vent Sentinel in a single duel
Paid only two green mana to activate the monstrosity ability of Nemesis of Mortals
Had a devotion to green of 10 or more when Nylea’s Disciple entered the battlefield
Controlled a creature with three Auras attached to it
Destroyed an opponent’s Angel using Shadowborn Demon
Controlled a 20/20 Seraph of the Masses
Dealt 10 noncombat damage to opponents with a single Guttersnipe in a single duel
Cast a spell without paying any mana for it
Drew three cards with Mentor of the Meek in a single turn
Cast five spells in a single turn
Collected all cards from the Main Campaign
Put twenty cards into graveyards with Hedron Crab in a single duel
Built a New Deck
Defeated all Explore Nodes
Gained 20 life in a single duel
Dealt 20 damage to a single opponent in a single duel using creatures with flying
Defeated Garruk
Defeated Ob Nixilis
Defeated the Onakke Shaman
Defeated Jace
Defeated Tymaret
Won a duel without an opponent losing life
Won a duel with twenty or more creature cards in your graveyard
Sacrificed a creature you didn’t own
Cast the same spell five times in a single duel
Defeated Avacyn
Finished the Tutorial
Had ten or more Thopter artifact creature tokens on the battlefield under your control
Completed the Alara collection
Added an unlocked expansion card to a deck
Defeated Captain Vronos
Controlled creatures with total power 20 or more with the Garruk deck