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.
Near Mint - $9.20
Near Mint Non-English - $9.20
Lightly Played - $8.30
Lightly Played Non-English - $8.30
Played - $6.50
Played Non-English - $6.50
Heavily Played - $5.60
Heavily Played Non-English - $5.60
Damaged - $4.60
Damaged Non-English - $4.60