Here is the full list of all 10 Duelyst achievements.
Complete your first 100 Quests.
Collect one of every Common rarity card.
Complete your first 50 games.
Complete your first 13 Quests.
Play your first 20 Ranked Ladder games.
Complete your first 5 Quests.
Complete your first 10 games.
Complete your first Quest.
Play your first game with a Friend.
Play 1 game with each of the six Factions.