Labrynth Decks are at full power now with their most recent additions to the archetype, and having numerous powerful Trap Cards at their disposal
While this artifact will have little to no effect on a wall-tribal player, as the majority of walls have insignificant power, the card can be quite problematic for one's opponents

Arid Mesa Axgard Armory Bad River Bant Panorama Blighted Woodland Bloodstained Mire Bountiful Landscape Brokers Hideout Cabaretti Courtyard Contaminated Landscape Deceptive Landscape Demolition Field Escape Tunnel Esper Panorama Evolving Wilds Fabled Passage Flood Plain Flooded Strand Foreboding Landscape Ghost Quarter Grasslands Grixis Panorama Inventors' Fair Jund Panorama Krosan Verge Maelstrom of the Spirit Dragon Maestros Theater Marsh Flats Misty Rainforest Mountain Valley Myriad Landscape Naya Panorama Obscura Storefront Perilous Landscape Polluted Delta Prismatic Vista Promising Vein Riveteers Overlook Rocky Tar Pit Sanctum of Ugin Scalding Tarn Seething Landscape Shattered Landscape Sheltering Landscape Shire Terrace Terminal Moraine Terramorphic Expanse The World Tree Tranquil Landscape Twisted Landscape Urza's Cave Urza's Saga Verdant Catacombs Vibrant Cityscape Warped Landscape Windswept Heath Wooded Foothills

These cards are laid down on the field from your hand to activate them
Reign of Jafar releases in Local Game Stores on the 30th of May and worldwide on the 6th of June
Cloudpost The fact that Cloudpost lists run Emrakul, the Aeons Torn in their deck not because theyre cheating it into play with cards such as Sneak Attack or Show and Tell, but because they can cast it should tell you all you need to know about this archetype