Free, no-sign-up tools for Slay the Spire 2. All shareable via URL — perfect for theorycrafting, community events, and streamers.
Build, share, and theorycraft decks. Drag & drop cards, filter by character/type/cost. All 577 cards with cost curve and synergy stats. Share decks via unique URLs.
Create custom tier rankings by dragging cards or relics into S/A/B/C/D/F tiers. Pre-loaded with expert ratings, fully customizable. Share your tier list with a unique URL.
Generate random challenge runs with deterministic seeds. Daily challenges, custom seeds, random characters + restrictions + bonus objectives. Perfect for streamers and community events.
Compare any two cards side by side. See cost, type, rarity, tier, effects, and upgrade potential at a glance. Smart search finds cards by name, type, or effect text. Ctrl+K to search.