Part 2: Unknown pre-move performing check locations

Recharge turns from Hyper Beam, etc
Magnetic Flux with no Plus/Minus
Heal Bell/Aromatherapy with no Pokemon to heal (not sure if this fails)
Role Play/Skill Swap/Entrainment/Simple Beam/Worry Seed vs Abilities that cannot be changed
Rototiller / Flower Shield vs no Grass-types
Ion Deluge when used last (not sure if fails)
Forest's Curse / Trick or Treat if Pokemon is already of that type (probably a redundant check)
Using Substitute when the user already has a Substitute