Wildmagic Hexsong Arrow

1d8 force, melee weapon, thrown, must be a
hex weapon to function.
As part of casting eldritch blast, you may have
the arrow strike instead of each ray.
Hexes and curses can be cast on this to affect its targets on hit
until the end of their next turn.
On a critical hit, the arrow surges
with chaotic energy.
All DCs are based on the casters spell DC