Thunderstone Avatars is a 25-card expansion – five copies of five different cards – that adds variable player powers to Thunderstone. The cards in detail are:
Cleric
Village: Draw 1 card for each disease present.
Spoils: Discard 1 XP to destroy 1 card.
Fighter
Weapons weigh 1 point less.
Dungeon: One weapon is considered equipped, even if you do not have a hero to equip it. You may use the abilities and traits of that weapon.
Ranger
Dungeon: Switch the positions of 2 adjacent monsters in the hall.
Dungeon: Reveal the top card of the dungeon deck. You may attack this as if it were 1 rank deeper than the monster in the last rank.
Thief
You can buy items and weapons for 1 fewer gold.
Dungeon: Discard 2 XP to have each other player discard a card.
Wizard
Village: If you purchase a spell, draw an additional card when you draw a new hand.
Dungeon: If you have used a spell's ability this turn, discard 2 XP to gain Magic Attack +3.