Whenever a nontoken creature enters, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.
Whenever a nontoken creature comes into play, if Genesis Chamber is untapped, that creature's controller puts a 1/1 Myr artifact creature token into play.
"As the experimental population grows, so do the number of myr. It's a perfect equilibrium."
—Memnarch
