Tech-Priest Genetor

Canticle
Once you have 4 or more Maintenance counters,
You may put an artifact creature from your
graveyard into the battlefield. It gains haste. Sacrifice it at the beginning of the next end step.
Whenever a nontoken artifact creature dies,create
a 4/1 colorless Servitor artifact creature token
with defender and This creature can block up to
two creatures within combat.