Simply replace a red mana for the possibility to play either red mana or 2 life
Its a nod to the (in)famous Black Lotus, but in a more balanced and reusable form
Rules 04/01/08 If you cast a creature spell of the chosen type, Door of Destinies will get a charge counter before the creature enters the battlefield
the Japanese variant was released slightly earlier on Dec

Labs Abandoned Air Temple Abandoned Campground Abandoned Outpost Abraded Bluffs Abstergo Entertainment Abundant Countryside Academy Ruins Access Tunnel Accursed Duneyard Adagia, Windswept Bastion Adanto, the First Fort Adarkar Wastes Adventurer's Inn Adventurers' Guildhouse Aether Hub Agadeem, the Undercrypt Age-Graced Chapel Agna Qel'a Airship Engine Room Akoum Refuge Akoum Teeth Alchemist's Refuge Ally Encampment Alpine Meadow Amonkhet Raceway An-Havva Township Ancient Amphitheater Ancient Den Ancient Spring Ancient Tomb Ancient Ziggurat Animal Sanctuary Arcane Lighthouse Arcane Sanctum Arch of Orazca Archaeological Dig Archway Commons Archway of Innovation Arctic Flats Arctic Treeline Arena Arena of Glory Argoth, Sanctum of Nature Arid Archway Arid Mesa Asgardian Citadel Ash Barrens Atzal, Cave of Eternity Auntie's Hovel Avengers Hangar Avengers Tower Avishkar Raceway Axgard Armory Aysen Abbey Azcanta, the Sunken Ruin Azorius Chancery Azorius Guildgate Ba Sing Se Bad River Badlands Bala Ged Sanctuary Balamb Garden, SeeD Academy Baldur's Gate Balduvian Trading Post Ballroom Bant Panorama Barad-dr Barbarian Ring Barkchannel Pathway Baron, Airship Kingdom Barracks of the Thousand
