Most of these require you hold ctrl to run (can be disabled in the config)

Built in:
tab: menu
1: unlock card
2: discover card
3: spawn card 
q: Switch edition
h: toggle UI
b: new run
l: load run 
j: go to menu (might break)
8: toggle mouse visiblity
9: toggle tooltips
space: live_test (Seems to just be a localthunk code tester)
v: profiler (DebugPlus enhances)
p: performance mod (DebugPlus enhances)

modded:
W: Set enhancement
E: Set seal
A: Toggle eternal
S: Toggle perishable
D: Toggle rental
F: Toggle coupon shop card
Hold z + 1-3: Save state to slot
hold x + 1-3: Load state from slot
R: Destroy Card
C: Duplicate Card
up / down: increase / decrease rank
left / right: cycle suit
M: Reload Atlases