One only needs to look to cEDH to see how this plays out to the logical conclusion: you take time off to dither about, and somebody has already threatened to win the game
Then each of your opponents may do the same, and each time an opponent does, you get to find and play another land
We already talked about the most valuable artifact in the set at release, The Walls of Ba Sing Se
While I like this card a lot, it feels much more like a combat trick than it does a commander
I mean, that definitely isnt the case, but its still possible that one or two of these cards will show up in the set once the dust settles: Mox Opal Scalding Tarn Horizon Canopy Dark Confidant Verdant Catacombs Arcbound Ravager Leyline of the Void Blackcleave Cliffs Misty Rainforest Liliana, the Last Hope Chalice of the Void Ensnaring Bridge Marsh Flats Arid Mesa Aether Vial Damnation Trinisphere Surgical Extraction Leyline of Sanctity Bloodstained Mire Cryptic Command Wooded Foothills Bridge from Below Goblin Guide Kolaghans Command Ulamog, the Ceaseless Hunger Vendilion Clique Amulet of Vigor Azusa, Lost but Seeking Tezzeret, Agent of Bolas All is Dust Blood Moon Polluted Delta Collected Company Flooded Strand Inkmoth Nexus Walking Ballista Steel Overseer Collective Brutality Phantasmal Image Thoughtseize Thrun, the Last Troll Copperline Gorge Bloodghast Keep in mind that this is just a list of the most expensive cards that actually see some play in Modern that arent in Ultimate Masters
Disguise Archangel Avacyn well by being able to use your unspent mana cracking Clues
