Yonshaki, Rock Flinger

{1}, {t}: create a colorless Equipment artifact token
named Rock with "Equipped creature has
'{1}, {t}, Sacrifice Rock: This creature deals 2
damage to any target'" and equip {1}.
{t}, Sacrifice a Rock equipped to Yonshaki, Rock
Flinger: Yonshaki, Rock Flinger deals 4 damage
to any target.
Partner (You can have two commanders if
both have partner.)