1-2

Bullywugs (2 or 3 per character)

3

Crocodiles (2 per character)

4

Giant frogs (2 per character)

5

Roll d3 on [1-14: Giant lizards (2 per character); 15-17: Trained giant lizards (2 per character), with Lizardfolk (3 per 2 characters) Independent to the Cult of the Dragon showing up on the sixth round of combat; 18-20: Trained giant lizards (2 per character), with Lizardfolk (3 per 2 characters) working for the Cult of the Dragon showing up on the sixth round of combat]

6

Giant spiders (1 per character)

7-8

Lizardfolk (3 per 2 characters) - Roll d2 on [1: Independent to the Cult of the Dragon; 2: Works for the Cult of the Dragon.]

9

Quicksand

10

Shambling mound

11

Will-o'-wisps (3)

12

Yuan-ti hunting party