This is my Uril, the Miststalker deck, geared for casual multiplayer and updated for FRF. It has been performing satisfactorily above my expectations, and it is undergoing a continuous tuning and refinement process.
The central philosophy of the deck is centered around 3 pillars - ramp, draw (primarily via enchantresses) and haste. In many cases, the deck is able to land Uril on Turn 3 and to eliminate key threatening players by Turn 5.
However, in a control oriented environment, it may be wiser to take a back seat in the starting turns of the game, baiting your opponent's removals with threats they cannot ignore, in the form of Kor Spiritdancer, Sigarda, Host of Herons or Aurelia, the Warleader. When the coast is clear, a hasted and suited up Uril finishes the job in one fell swoop.
A brief discussion on the key cards and synergies of the deck:
Crop Rotation is, in my opinion, a severely underrated card. At instant speed and at effectively 0 mana cost, it is capable of making Uril uncounterable (Cavern of Souls), safe from tucks and steals (High Market and Homeward Path), indestructible (Yavimaya Hollow), and into a trampler (Kessig Wolf Run). In addition, it also serves as spot removal (Contested Cliffs). It also grabs Mistveil Plains, leading into the next synergy...
Sunforger and Mistveil Plains - A powerful combo which warrants serious consideration in any deck with Boros. For optimum results, Sunforger should not be cast unless if you have 8 mana sources or if you desperately need it. With Sunforger in play, it becomes very difficult to deal with Uril with wipes (Boros Charm and Orim's Chant), tucks (Eladamri's Call, which was specifically chosen for its white identity) and even edict effects (Selesnya Charm for the 2/2 token). Regretfully, Beast Within is not white nor red, so we have to settle for Chaos Warp and Oblation instead. Ditto for Krosan Grip and Return to Dust. Finally, you have the option of locking down difficult players using a kicked Orim's Chant and Mistveil Plains every turn.
In terms of Auras, I won't go into much detail as others have already done a great job of analysing them. My personal preference is Evasion > Protection > Haste > Power > Repeatable card draw with enchantresses. As such, impressive but inefficient auras such as Eldrazi Conscription were sidelined in favour of smaller but more efficient auras such as Messenger's Speed and Madcap Skills. An aura which I very regretfully cut from the deck was Flickering Ward for testing.
For the non Aura enchantments, we have Aggravated Assault which is not so much here for its combo with Bear Umbra, but rather for its immense synergy with Xenagos, God of Revels. Legion's Initiative serves 3 roles, as an anthem, protection for Uril and his friends from tucks / wipes / bounces, and as a haster if used aggressively. Sterling Grove is amazing, my only grouse is that it places the tutored enchantment on top of the library instead of in your hand. Syvlan Library is just great tech, and the loss of life is easily countered with Unflinching Courage or Armadillo Cloak. Finally, Triumph of Ferocity is easily activated with Uril on the board and provides a much needed constant hand refill.
The creature count is deliberately high as an extra precaution to edicts. The deck plays all 5 enchantresses (Argothian Enchantress, Mesa Enchantress, Verduran Enchantress, Kor Spiritdancer and Eidolon of Blossoms. Due to the superior draw power, we focus more on replacement effects (i.e. drawing new permanents) instead of recursion effects (although, we have that option via Sun Titan, Replenish and Eternal Witness).
After testing, Xenagos, God of Revels has earned a permanent spot on this deck, despite sharing the mana slot with our general. This is due to his indestructibility, haste and power granting awesomeness. Further, he is tutorable via Enlightened Tutor or any of the creature tutors. He has immense synergy with either Aurelia, the Warleader, allowing Uril to do 6x his power over 2 combat phases, and with Aggravated Assault.
Finally, for sorceries we have a small suite mainly consisting of ramps and wipes. For wipes, we have the uril staple Cataclysm, as well as the (usually) one sided wipe Winds of Rath. Soul's Majesty is a game changer which allows you to instantly refill your hand whereas Tooth and Nail allows us to find Aurelia, the Warleader and Xenagos, God of Revels if required. Otherwise, it is often used as a solution finder in the form of Eternal Witness, Sun Titan, and/or Acidic Slime.
Finally, many credits go to Wallyd, whose 1v1 Uril primer has given me the inspiration to build and tune this multiplayer deck. Please check it out here for a detailed analysis and discussion on our favourite Yeti: http://www.mtgcasualplay.com/mtg-uril-miststalker-edh-commander-deck/
