Here is the full list of all 38 Minion Masters achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Use 100 Resource Tokens
Win 500 Ranked Battles
Complete 100 Daily Quests
Use 250 Power Tokens
Play a friendly challenge with 3 different friends.
Use 50 Resource Tokens
Complete 50 Daily Quests
Craft a Legendary card
Complete 30 Achievements
Acquire a collection of 150 cards
Use 100 Power Tokens
Complete 25 Daily Quests
Win a Ranked battle with 8 different Masters
Use 20 Resource Tokens
Win a Ranked Battle with less than 100 Health left
Play 5 spells in a row during a Ranked Match and then win
Create 3 decks
Win 100 Ranked Battles
Acquire a collection of 100 cards
Complete 10 solo challenges
Craft a Supreme card
Reach the Silver League
Complete 10 Daily Quests
Complete 15 Achievements
Win 50 Ranked Battles
Craft a Rare card
Use 25 Power Tokens
Complete 5 solo challenges
Complete 3 Daily Quests
Reach the Bronze League
Win against 8 different Masters
Craft a Common card
Complete 5 Achievements
Win 10 Ranked Battles
Reach the Stone League
Acquire a collection of 50 cards
Watch a replay
Win 3 Ranked Battles