Wooden Cross is an unlockable trinket in The Binding of Isaac, added in the Afterbirth+ DLC.

Once per floor, grants a one-time-use Holy Mantle shield that negates one hit.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this trinket for the previous Repentance version, check this page instead.

Sleep in a bed.

The following special synergies and interactions for Wooden Cross have been documented.

* Note that not all possible synergies and interactions are listed here.

Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.

Wooden Cross

• Adds one holy shield at the start of each floor
• Golden Trinket (without Mom's Box): Adds 2 holy shields at the start of each floor
• Mom's Box: Adds 2 holy shields at the start of each floor
• Mom's Box + Golden Trinket: Adds 2 holy shields at the start of each floor

• Check out the trinket description on the external Isaac Wiki.