Armageddon Clock [Antiquities] Shadows over Innistrad Set: Conspiracy: Take the Crown

Set: Conspiracy: Take the Crown Type: Enchantment Rarity: Rare Cost: {G} Whenever an opponent plays a land

Set: Legends Type: Creature — Kobold Rare Cost: {1}{R} First strike Other Kobold creatures you control have first strike

Set: Shadowmoor Type: Sorcery Rare Cost: {6}{B} Starting with you

This effect doesn't remove Green Ward

Armageddon Clock [Antiquities] Shadows over Innistrad Set: Conspiracy: Take the CrownSet: Antiquities Type: Artifact Uncommon Cost: {6} 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.