It would be really cool if by completing the tribulation mode collections for world 1 (The King Toad) and world 2 (The Storm Wizard), you would get an infinite SAB tonic for respective world.
Complete The King Toad collection and receive an infinite SAB world 1 tonic, which will transform you into any random enemy in SAB world 1 (including King Toad).
Complete The Storm Wizard collection and receive an infinite SAB world 2 tonic, which will transform you into any random enemy in SAB world 2 (including Storm Wizard).