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Cards Guides Index

Browse the cards topic index. Choose a specific question for its guide, sources, and related pages.

Cards are the heart of the game: each booster pack has its own pool of heroes and spells, and what you pull decides your run. These pages cover how spells are obtained and upgraded with Mastery, and what the developer has confirmed about foil versions of heroes and tomes, which arrive as rare random pulls added in the September 2026 demo update.

Card guides

foil cards: How to Get These Rare Pulls

Booster Pack Heroes foil cards drop as rare pulls when you open booster packs. Learn what's confirmed about foil heroes and tomes and where to hunt them.

Spells: Drops, Upgrades and Use

Booster Pack Heroes spells explained: which spell cards drop from packs, how Mastery upgrades them, and what the demo currently shows about spell use.