Armageddon Clock (295) [Fourth Edition]

Set:	Fourth Edition
Type:	Artifact
Rarity:	rare
Cost:	{6}

At the beginning of your upkeep, put a doom counter on this artifact. At the beginning of your draw step, this artifact deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from this artifact. Any player may activate this ability but only during any upkeep step.