Byleth, Awakened Instructor

Mentor

Humans you control have “Whenever this creature becomes equipped, put a +1/+1 counter on it.”

{2}, {t}:Attach target Equipment you control to another target creature you control.

{1}:At the beginning of your end step, create a colorless Equipment artifact token that you dont control from among Sword of the Creator, Aymr, Areadbhar, or Failnaught.