Alkraen, Holy Bio-Tinkerer

Whenever an Equipment enters the battlefield
under your control, you may attach that
Equipment to target creature you control.
Equipped creatures you control are artifacts in
addition to their other types.
{1}{u}, {t}: Create a 1/2 blue crab thopter artifact
creature token with flying.
Once pure, now he follows,
seeking the "perfect image" of biological life.