Glacial Fortress [Ixalan Promos] Amonkhet Invocations these devices doubled the output

these devices doubled the output of Amrit Vatyam's forges

damage that would reduce your life total to less than 1 reduces it to 1 instead

as you untap your permanents

Set: Arabian Nights Type: Creature — Plant Rare Cost: {3}{G} {T}: Target attacking creature has base power 0 until end of turn

lifelink When Wurmcoil Engine dies

Glacial Fortress [Ixalan Promos] Amonkhet Invocations these devices doubled the outputSet: Ixalan Promos Type: Land Rare Cost: Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island. {T}: Add {W} or {U}. Ships blown north in their voyage across the Stormwreck Sea become trapped in the unmelting ice.