会员卡#602

Member Card is an unlockable passive item added in The Binding of Isaac: Repentance.

• Member Card is from the Antibirth mod.
• It is likely a reference to the Member Card from the Fire Emblem series. In Fire Emblem, having a Member Card gives one access to unique and valuable items in shops, similar to the Member Card in Repentance.

Bug! Using XVI - The Tower? in the underground Shop can spawn rocks under the ladder, resulting in a softlock if Isaac can't fly or doesn't have any bombs. Bug! Using IV - The Emperor? in the underground Shop on Mausoleum II, and getting Rotgut as the boss, will result in an infinite loop of entering and exiting the boss room and the shop, respectively. Bug! On Downpour II (or one of its alternate versions) :

• Don't go into the underground shop.
• Go in the mirror world, enter the underground shop's alternate mirror version. It should have nothing for sale.
• Make the game refill shop. For example by using a restock machine.
• Go to the regular underground shop in the normal non-mirror world.
• Now the underground shop contains two overlapped sets of things on sale : One from when the mirror version was restocked, and one from when you entered the "real" underground shop for the first time. Bug! While playing as Tainted Lazarus :
• Enter the trapdoor created by Member Card.
• Teleport to I AM ERROR, for example using Undefined.
• Use Flip to swap to the other form of Tained Lazarus.
• Spawn and enter a Crawl Space, Isaac will spawn in the center of the room.
• Upon exiting the crawl space Isaac will be placed in the Member Card shop, but will be softlocked as the exit ladder will now place him back in the Member Card shop. The Binding of Isaac: Rebirth
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