This Single Joker Run is MADNESS. Balatro - YouTube

Unlock Requirement Win a game while never having more than 4 jokers. Invisible Joker is a rare Joker that can be sold after two rounds to duplicate a random Joker in the players inventory. The copied Joker will retain almost all the properties of the original including any scaling Edition and Stickers.

Burglar is a Joker that increases your hands per round at the cost of losing all discards. This has the added benefit of increasing your income if you can beat the Blind without using all of your hands.

The Square Joker is a common Joker which provides a chips bonus that increases by +4 Chips every time you play a hand with only four cards. The four cards played do not have to score and all four can be debuffed.