A list of potential substitutes, if you can
Dyepot PS #33 - Dip Dyeing Yarn into 2 Colors to Create As Many Different Colorways as Possible
Magpie Fibers
Ravelry: Magpie Fibers Dyed in the Skein
HF Sock Magpie - Simply Socks Yarn Company
Magpie Fibers yarn
Shop — Magpie Fibers
One skein Hearts on Fiber yarn – Indie Untangled
Ravelry: Magpie Fibers Dyed in the Skein
Ravelry: Alpenglow I pattern by Andrea Mowry
Ravelry: Magpie Fibers Dyed in the Skein
Orca, Custom Dye Order – Hedgehog Fibres