Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
The Phyrexian minds that constructed it did not live past its awakening.
Near Mint - $1.00
Lightly Played - $0.80
Moderately Played - $0.70
Heavily Played - $0.60
Damaged - $0.50
Near Mint Spanish - $1.00
Lightly Played Spanish - $0.80
Moderately Played Spanish - $0.70
Heavily Played Spanish - $0.60
Damaged Spanish - $0.50