For anyone curious the powerups i saw were (forgot which did which for most of them)
Small heal (one pair)
Move Speed up (two pair)
Fire rate up
Damage up
Slow Enemies
Invincibility (full house)
Never got 4 of a kind
Viewing post in deck of doom [LD58 / Web Version] comments
Oh, right, forgot about it:
| High Card | Nothing |
| One Pair | Heal |
| Two Pair | Move Speed+ |
| Three of a Kind | Slow Enemies |
| Straight | Fire Rate+ |
| Flush | Damage+ |
| Full House | Invincibility |
| Four of a Kind | x5 Score Mult. |
| Flush House | Perm. HP+ |
| Straight Flush | Perm. Fire Rate+ |
| Five of a Kind | Perm. Damage+ |
| Flush Five | Ultimate! |