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 - $6.30
Lightly Played - $5.70
Moderately Played - $5.10
Heavily Played - $4.50
Damaged - $3.20
NM-Mint Non English - $6.30
Lightly Played Non English - $5.70
Moderately Played Non English - $5.10
Heavily Played Non English - $4.50
Damaged Non English - $3.20