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 - £1.90
Lightly Played - £1.70
Moderately Played - £1.40
Heavily Played - £1.00
Damaged - £0.60
Near Mint Non English - £1.90
Lightly Played Non English - £1.70
Moderately Played Non English - £1.40
Heavily Played Non English - £1.00
Damaged Non English - £0.60
Foil Prices
Near Mint Foil - £11.90
Lightly Played Foil - £10.10
Moderately Played Foil - £8.30
Heavily Played Foil - £6.00
Damaged Foil - £3.60
Near Mint Foil Non English - £11.90
Lightly Played Foil Non English - £10.10
Moderately Played Foil Non English - £8.30
Heavily Played Foil Non English - £6.00
Damaged Foil Non English - £3.60