Binding of Isaac: Rebirth Wiki
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The Rules Card is a special card which randomly displays cryptic statements on the screen similar to a Fortune Telling MachineFortune Telling Machine. It is unlocked by completing Glass Cannon (challenge #11).

Effect[]

  • Upon activation, displays one of the following messages:
CHUB DISLIKES SMOKE! Referencing the trick in which Isaac can drop a BombBomb in front of a charging Boss Chub ingameChub to have her swallow it. Reference to Zelda 1 and 'DODONGO DISLIKES SMOKE'.
A PIECE OF PAPER IS YOUR GUIDE Possibly refers to the Missing PosterMissing Poster, the choice between Collectible The Polaroid iconThe Polaroid and Collectible The Negative iconThe Negative after defeating Boss Mom ingameMom or the card itself.
THE WALLS WILL HARDEN OVER TIME. TIME IS THE ESSENCE Presumably referencing the Boss RushBoss Rush that occurs if Boss Mom ingameMom is beaten in under 20 minutes, and/or the (except in Rebirth) Boss Hush ingameHush fight that is accessible if Boss Mom's Heart ingameMom's Heart or Boss It Lives ingameIt Lives is beaten in under 30 minutes.
A DARK MARKET LIES UNDER YOUR FEET Presumably referencing the secret trapdoors occasionally under rocks and the Crawl SpaceCrawl Space that leads Isaac to the Black MarketBlack Market, a room which sells ShopShop items for Hearts rather than Coins.
SOME DOORS REQUIRE A BLESSING. CARRY THEM WITH YOU Refers to how to open the large golden door on ChestChest and the Dark RoomDark Room, by gathering two Key Pieces from the Angels.
DENY HIS GIFTS TO ATTAIN YOUR REWARD References how skipping a Devil RoomDevil Room gives the chance to gain access to the Angel RoomAngel Room.
SLEEPING GATEKEEPERS WILL NEED TO BE AWOKEN WITH A LOUD SOUND Possibly referencing how Isaac can use bombs on the Angel statues in order to awaken them. Reference to Zelda 1.
ROOMS MAY YIELD MORE THAN YOU EXPECT. EXPERIMENTATION IS KEY Unknown, possibly referencing Secret RoomSecret Rooms or the trapdoor and bed in Isaac's room, or tinted rocks and other breakable objects.

One of the following Seeds may also be displayed:

  • BOOB TOOB
  • BRWN SNKE
  • B911 TCZL
  • CAMO K1DD
  • CAMO FOES
  • CAMO DROP
  • CHAM P1ON
  • CLST RPHO
  • COCK FGHT
  • COME BACK
  • CONF ETTI
  • DONT STOP
  • DRAW KCAB
  • DYSL EX1A
  • FACE DOWN
  • FART SNDS
  • FREE 2PAY
  • IMNO BODY
  • GGGG GGGG
  • HART BEAT
  • ISAA AACE
  • KEEP AWAY
  • NICA LISY
  • PAC1 F1SM
  • SLOW 4ME2
  • TARO TARJ
  • THEG HOST
  • XXXX XXZX
  • 8AJJ AASE
  • BLCK CNDL
  • LABY RNTH
  • KAPP A
  • (in Repentance) M0DE SEVN


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