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Metronome item
Metronome is an unlockable active item in The Binding of Isaac, added in the Afterbirth+ DLC.
Description
Grants the effects of a random item for the current room.
Can grant the effects of any active or passive item, except Glowing Hourglass, Plan C, Breath of Life, Clicker and R Key.
Using the item multiple times in the same room will replace the effect granted previously.
Can trigger the effects of items that haven't been unlocked yet.
Has a reduced chance of selecting Genesis (25%) or Death Certificate (15%).
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.
How to unlock?
Defeat Ultra Greedier as Eden.
Item pools
Metronome can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Greed Shop |
1.0/1.0
|
| Crane Game |
1.0/1.0
|
| Wooden Chest |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Metronome have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Grants the wisp of the selected active item, or a random wisp if a passive item was selected. |
| --- | Abyss | Spawns a pink locust that has a chance to mimic random effects based on other Abyss locusts. |
* Note that not all possible synergies and interactions are listed here.
Internal item description
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.
Metronome
• Grants the effect of 1 random item for the current room
• Activating again in the same room replaces the previous item effect with a different one
• Abyss: x1 glitched locust .75x Isaac's damage
• Book of Virtues: x1 middle wisp - 2 hp - 3 damage
• Book of Virtues: Spawns the wisp of the mimicked item
External links
- Check out the item description on the external Isaac Wiki.
Crooked Penny 
Dull Razor 
Potato Peeler 
D infinity 
Eden's Soul 
Acid Baby