The Thunderstone Shard is one of the four Basic cards used in Thunderstone Advance. It replaces the Iron Rations in Classic Thunderstone.

The Thunderstone Shard grants an additional 2 Strength to a hero of the player's choice. It also acts a gold source, granting the player 1 gold to use when visiting the Village on their turn. It also grants 'Spoils: Gain 1 XP.' It is worth 1 Victory Point at the end of the game.