Rules Card
CardRebirthLocked
How do you unlock Rules Card?
In The Binding of Isaac, Rules Card is unlocked by unlocking Glass Cannon (Challenge).
Structured pathSource-backed requirements are mapped into trackable steps.
Displays a cryptic statement on the screen, similar to a Fortune Telling Machine. These messages (often) provide hints on bosses, bonus areas, etc.
See the full unlock path for Rules Card — 10 stepsWhat unlocking Rules Card leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13