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 - $1.25
Moderately Played - $1.00
Heavily Played - $1.00
Damaged - $0.50
Near Mint Non-English - $1.50
Lightly Played Non-English - $1.25
Moderately Played Non-English - $1.00
Heavily Played Non-English - $1.00
Damaged Non-English - $0.50
Foil Prices
Near Mint Foil - $11.75
Lightly Played Foil - $11.00
Moderately Played Foil - $8.75
Heavily Played Foil - $7.00
Damaged Foil - $4.75
Near Mint Foil Non-English - $11.75
Lightly Played Foil Non-English - $11.00
Moderately Played Foil Non-English - $8.75
Heavily Played Foil Non-English - $7.00
Damaged Foil Non-English - $4.75