Armageddon Clock [Antiquities] Alpha Edition lands tapped for mana produce

lands tapped for mana produce mana of the chosen color instead of any other color

and Sagas are historic

Roaring Flame deals 6 damage to each opponent

you may search your library for an Elemental card

these devices doubled the output of Amrit Vatyam's forges

Armageddon Clock [Antiquities] Alpha Edition lands tapped for mana produceSet: Antiquities Type: Artifact Rarity: 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.