Khelfin tried to think of something quickly but just like the others, he could not figure out any masterplan. When Sabrina mentioned Dhelmise pulling a raft from Vermillion, Khelfin wondered if it could work. 

"Well.. Maya's Zombie could use winged moves to get the raft in the right direction while Dhelmise pulls it forward. Aro's Apollo and my Porygon2 and Duskull could help steering with their psychic abilities. If we want to minimize the weight on the raft, Red and Taser will have to stay inside their pokeballs during the trip."

Khelfin looked at Aro and Maya's reaction. He knew how some trainers felt about their pokemons being inside their pokeballs. Yet, it was their best shot to make it from Vermillion to Olivine.