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