The Binding of Isaac had Steam trading card support added on 26 June 2013. There are 9 cards in the series, and you'll receive 5 cards at random for purchasing and playing the game.
The remake, The Binding of Isaac: Rebirth, also has trading card support.
Trading Cards
Foil Cards
Badges
Level 1
Isaac
Isaac
Level 2
Maggie
Maggie
Level 3
Cain
Cain
Level 4
Judas
Judas
Level 5
Eve
Eve
Foil Badge
???
???
Booster Pack
Emoticons
:gaper:
(Common)
(Common)
:penny:
(Common)
(Common)
:heart:
(Common)
(Common)
:pill:
(Common)
(Common)
:rage:
(Common)
(Common)
:smile:
(Common)
(Common)
:eye:
(Uncommon)
(Uncommon)
:meaty:
(Uncommon)
(Uncommon)
:derp:
(Rare)
(Rare)
:poop:
(Rare)
(Rare)
Profile Backgrounds
Isaac's Spotlight
(Common)
(Common)
A Child's Nightmare
(Uncommon)
(Uncommon)
Wrath of the Cast
(Uncommon)
(Uncommon)
Wrath of the Lamb
(Uncommon)
(Uncommon)
Larry Jr. and Poop
(Rare)
(Rare)
