Cards and Runes

Cards and runes are usable items with a wide variety of effects. They take up the same slot as pills.

Runes and special cards are unlocked by completing challenges.

Major Arcana Cards
When on the ground, these cards look like:

Reversed Major Arcana Cards
These cards share the same names as their counterparts (barring the question marks at the end of their names), but have the sprite upside-down, a different message, the narrator sound clip reversed, and give different effects.

When on the ground, these cards look like:

Playing Cards
When on the ground, these cards look like:

Magic: The Gathering Card Backs
When on the ground, these cards look like:

Credit Card Back
When on the ground, this card looks like:

Other Playing Card Backs
When on the ground, these cards look like:

Card Against Humanity Back
When on the ground, this card looks like:

Chance Card Back
When on the ground, this card looks like:

Holy Card Back
When on the ground, this card looks like:

Uno Card Back
When on the ground, this card looks like:

Left Pointing Runes
When on the ground, these runes look like:

Right Pointing Runes
When on the ground, these runes look like:

Other Runes
Rune Shards can be encountered only as replacements for runes that have not been unlocked. Once all runes are available, Rune Shards cease to spawn.

Soul Stones
Soul Stones are all unlocked by beating both Hush and Boss Rush as their respective Tainted character. They count as runes for the purposes of duplication with, and and other sources for generation.

Other
These are items other than cards and runes (and pills) that take up the consumable slot. When on the ground, each of these items are uniquely identifiable by their respective icon. These consumables cannot be replicated by either or, and  has no effect on them.

Trivia

 * The runes and their names ingame are based on the Elder Futhark alphabet system and its reconstructed Proto-Germanic names. In popular culture, runes often signify that something is in some way magical.
 * IX - The Hermit?'s effect was based directly on the Rune of Fehu from Antibirth. No other Antibirth rune was adapted into Repentance.
 * The Suicide King card is a nickname for the King of Hearts, referred to as such because its artwork depicts a king who seems to be sticking a sword into his own head.
 * The Get out of Jail Free card is a reference to a card with the same name that appears in the table game Monopoly.
 * The "A Card Against Humanity" card is a reference to the card game Cards Against Humanity.
 * Ancient Recall, Era Walk, Huge Growth, and Chaos Card are all based on cards from Magic: The Gathering.
 * The Chaos Card is a reference to the card "Chaos Orb", which also instantly destroys enemies that it touches.
 * The "Ancient Recall" card is a reference to the card "Ancestral Recall", which also draws three cards.
 * The "Era Walk" card is a reference to the card "Time Walk", which allows players to take an extra turn.
 * The "Huge Growth" card is a reference to the card "Giant Growth", which buffs creatures summoned in the game. Its message might be a reference to the card "Become Immense", a card with a similar effect to Giant Growth.
 * A NULL card with ID 0 exists, revealed by the "giveitem k0" Debug Console command. It can't be acquired or used in any way.
 * Many cards were given new unique back sprites in Booster Pack, some originating from Antibirth.
 * Soul of Cain's ability is likely a reference to being an unlock for  in the original Antibirth mod.
 * Soul of Judas' description and ability are a reference to the Spy from Team Fortress 2.
 * Soul of Samson's description is a reference to Judges: it is said that Samson killed an army of 1,000 Philistines using a donkey's jawbone.
 * Soul of Eve's description is a reference to the original description had when taken as  in the original Antibirth mod.
 * Its effect was also probably inspired by the old original effect, which caused  to sometimes generate extra s upon being hit that would persist between rooms.
 * III - The Empress? will display a pop up saying "The morning sun has vanquished the horrible night" a reference to Castlevania II: Simon's Quest when night turns to day.
 * This is also a reference to 's (and by extension III - The Empress) pop up being the day to night message in said game.
 * When VII - The Chariot? is activated, the statue will sometimes look like Edith, a character from Antibirth that wasn't adapted into Repentance.
 * The Reverse Tarot Cards refer to tarot card readings, where a reversed card has a different meaning to an upright one.

Gallery

 * YouTube - 22 NEW Reverse Tarot Cards!
 * YouTube - NEW Soul Stone Consumables!