Biting Blade
Delivered blade+8 to +9

Biting Blade

Only blades from one of the three delivery lanes take this shape at +8. Half of them become Sawblades at +10 and half Dragonfangs.

Before and after

Angry Hunk of MetalAngry Hunk of Metal+6 to +7Biting BladeBiting Blade+8 to +9
Branches into two families at +10