I actually kinda like this plan.
We might just squeeze under the cap in this situation. Once the year is over, we'll let IT4 walk and fultz/smart can take the starting spot.
Year 1: IT4, Butler, Hayward, Horford, Cheap Big, Smart, Fultz, Zizic, etc.
Year 2: Smart/Fultz, Butler, Hayward, Horford, Zizic, etc.
easily a 55 win team for both years