Here is the full list of all 20 Spellweaver achievements.
Collect one copy of each Corruption card from Valiant Dawn.
Complete 5 Epic quests.
Unlock all quest points on the World Map.
Collect one copy of each Rage card from Valiant Dawn.
Reach a rating of 1250 or more points.
Win a game after playing at least one card from each aspect.
Play 20 Ranked games.
Complete 5 Spellweaver Trials.
Win a game by depleting your opponent's deck.
Play 100 games.
Win 7 Friendly or Ranked games in a row.
Win a game by having 40 or more life.
Win a game at 1 life.
Win a game that lasted at least 7 turns, without receiving any damage.
Reach 10 Wins in a Spellweaver Trial.
Unlock the Spellweaver fame title. (Reach Fame Level 35)
Collect one copy of each Order card from Valiant Dawn.
Collect one copy of each Wisdom card from Valiant Dawn.
Collect one copy of each Nature card from Valiant Dawn.
Collect one copy of each Dominion card from Valiant Dawn.