If Murray Hiebert wants draft picks coming back in any trade, the options look like this.
Erie doesn't have a 2nd round pick in 2017, 18, 19, 20, or 21. From 2017 to 2021 they have only one 3rd round pick in 2019
Windsor has one 2nd round pick in 2017, but no 3rd round pick that year. They don't have a 2nd or 3rd round pick from 2018 to 2022.
Soo don't have a 2nd from 2017 to 2020. They have 2 second round picks in 2021 and one every year after. They don't have a 3rd round pick in 2017, but do have picks from 2018 to 2023
Owen Sound has two 2nd round picks from 2017 to 2019 and one every year after. They have no 3rd round picks from 2017 to 2020
2017 one 2nd and three 3rd round picks
2018 two 2nds, two 3rds
2019 three 2nds, two 3rds
2020 two 2nds, one 3rd
This gives you an idea of what he is dealing with.