At the beginning of your upkeep, put a doom counter on Armageddon Clock. At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.
NM-Mint - $1.70
Lightly Played - $1.50
Moderately Played - $1.40
Heavily Played - $1.20
Damaged - $0.90
NM-Mint Non English - $1.70
Lightly Played Non English - $1.50
Moderately Played Non English - $1.40
Heavily Played Non English - $1.20
Damaged Non English - $0.90