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 - $1.50
Lightly Played - $1.20
Moderately Played - $1.10
Heavily Played - $0.90
Damaged - $0.80
Near Mint Spanish - $1.50
Lightly Played Spanish - $1.20
Moderately Played Spanish - $1.10
Heavily Played Spanish - $0.90
Damaged Spanish - $0.80
Foil Prices
Near Mint Foil - $10.50
Lightly Played Foil - $8.40
Moderately Played Foil - $7.40
Heavily Played Foil - $6.30
Damaged Foil - $5.30
Near Mint Foil Spanish - $10.50
Lightly Played Foil Spanish - $8.40
Moderately Played Foil Spanish - $7.40
Heavily Played Foil Spanish - $6.30
Damaged Foil Spanish - $5.30