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
Near Mint - $1.20
Lightly Played - $1.00
Moderately Played - $0.90
Heavily Played - $0.80
Damaged - $0.60
Near Mint Spanish - $1.20
Lightly Played Spanish - $1.00
Moderately Played Spanish - $0.90
Heavily Played Spanish - $0.80
Damaged Spanish - $0.60
Foil Prices
Near Mint Foil - $10.90
Lightly Played Foil - $8.80
Moderately Played Foil - $7.70
Heavily Played Foil - $6.60
Damaged Foil - $5.50
Near Mint Foil Spanish - $10.90
Lightly Played Foil Spanish - $8.80
Moderately Played Foil Spanish - $7.70
Heavily Played Foil Spanish - $6.60
Damaged Foil Spanish - $5.50