Whenever a nontoken creature enters the battlefield, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.
"As the experimental population grows, so do the number of myr. It's a perfect equilibrium."
—Memnarch
NM-Mint - $3.10
Lightly Played - $2.80
Moderately Played - $2.50
Heavily Played - $2.20
Damaged - $1.60
NM-Mint Non English - $3.10
Lightly Played Non English - $2.80
Moderately Played Non English - $2.50
Heavily Played Non English - $2.20
Damaged Non English - $1.60
Foil Prices
NM-Mint Foil - $11.00
Lightly Played Foil - $9.90
Moderately Played Foil - $8.80
Heavily Played Foil - $7.70
Damaged Foil - $5.50
NM-Mint Foil Non English - $11.00
Lightly Played Foil Non English - $9.90
Moderately Played Foil Non English - $8.80
Heavily Played Foil Non English - $7.70
Damaged Foil Non English - $5.50