Bloodstone is a Hearts-oriented Joker which has a 1 in 2 chance to immediately provide x1.5 Mult for each  Heart scored. Checkered Deck works best with Bloodstone as it starts with 26 Heart cards. Blue Decks extra hand makes it easier to get a winning amount of Bloodstone triggers. Any Flush...

Rough Gem is a Diamonds-oriented Joker which awards $1 for each  Diamond scored. Checkered Deck cannot benefit from Rough Gem due to lack of Diamond suit. Erratic Deck can benefit from Rough Gem if the deck is randomized to have more Diamonds than other suits. Playing any Flush with Diamonds...

Throwback gains x0.25 Mult for each Blind skipped in a run. This effect is retroactive in that Blinds skipped before picking it up count towards its X Mult. It is unlocked by going to the Main Menu and continuing an ongoing run. Anaglyph Deck is by far the best deck to use Throwback with as...

Smeared Joker is a Joker which makes  Diamonds and  Hearts count as the same suit and  Clubs and  Spades count as the same suit. This effect applies to all Jokers and Blinds which have an effect based on suit. Works in most decks but should be avoided with the Checkered Deck as it is already...

Certificate adds a random playing card with a random seal to players deck when a Blind is selected. Abandoned Deck works best with Certificate thanks to its smaller amount of cards. However be aware that Face Cards can be added which may potentially disrupt Ride the Bus should players plan...