Mark Beggar is an unlockable machine in The Bimbing of AIsaac, a mod for The Binding of Isaac.

Costs any Mark Food Item to play.

The item will be removed from Isaac, but won't affect his health.

Prioritises less valuable items (like just health ups).

If Isaac doesn't have any of these items, takes away 1 Red Heart Container instead and goes to the final payout.

Possible payouts
• 2-4 Crumpled Papers and/or Paper Planes.

Final payout
• One of the Drawings or Kid's Drawing.

When destroyed
• +35% chance for an Angel/Devil Deal.
• Spawns several random pickups.
• Spawns Bat Wing or Chewed Pen.

Has a 8% chance to replace any Key Master.
Spawns naturally in some rooms.

Take Marked as AIsaac.

The following special synergies and interactions for Mark Beggar have been documented.

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

This is a reference to the lead developer of the The Bimbing of AIsaac mod.
Specifically, this beggar refers to the name "Mark" they were given since the members of the community found their nick hard to pronounce.

The appearance is inspired by Decibat from the game Undertale Yellow. (Mark had this character as their profile picture at the moment).

• Download The Bimbing of AIsaac from the Steam Workshop.