What does the Blank Voucher do in Balatro?

While playing the poker roguelike Balatro, you may come across a mysterious blank voucher. The card’s description says it does nothing. Is this true, or does it actually do something? Here’s what the Blank Voucher really does in Balatro.

Buy the Blank Voucher ten times

The first time you buy the Blank Voucher, it will do nothing, just like it says in its description. Nothing will happen the next few times you buy the Blank Voucher, too. Keep being stubborn though, and on your tenth purchase, you will unlock the Antimatter Voucher.

The Vouchers that appear in your shop are random, and individual Vouchers can only appear once per run. This means that you might not get a Blank Voucher every run. If you try to unlock the Antimatter Voucher with normal gameplay, this can mean playing through way more than ten runs of Balatro. 

Antimatter Voucher

The Antimatter Voucher is unlocked by purchasing the Blank Voucher ten times. The Antimatter Voucher gives you one free Joker slot, with no drawbacks. This is an incredibly powerful effect, especially in the later stages of a run. An extra Joker can make or break a run by adding more score Mults or enabling you to play special hands.

There are actually three different ways to unlock the Antimatter Voucher:

1. Keep playing more runs of Balatro. Continue playing normally and keep buying the Blank Voucher when you see it in your shop.
2. When you see the Blank Voucher in your shop, buy it, and then exit to the main menu. Continue your run, and your shop should have the Blank Voucher and your money back. Repeat until the game registers that you’ve bought the Blank Voucher ten times.
3. Unlock everything in your player profile. In the main menu, select your player profile in the bottom left and select “Unlock All.” This will unlock the entire collection of cards for you, but it will also disable achievements for that profile.

Once you unlock the Antimatter Voucher, it has a chance of showing up in the shop during subsequent rounds. You need to buy the Blank Voucher during a run for the Antimatter Voucher to appear during subsequent rounds in the same run. Like getting the Blank Voucher, the appearance of the Antimatter Voucher is also random, so you may need to play several runs before you find what you need.