On the other side of the conflict is the Mirran Resistance deck, which is Red/White
Being able to use my artifacts in ways that they werent intended for is a favorite habit of mine, so Im loving the convoke ability on this card

Abandon Hope Aberrant Return Absorb Vis Addle Aether Snap Afterlife from the Loam Agadeem's Awakening Aggressive Negotiations Aggressive Sabotage Agonizing Memories Agonizing Remorse Agonizing Syphon Aid the Fallen Aim for the Head All Hallow's Eve Allure of the Unknown Alms of the Vein Ambition's Cost Ancient Craving Ancient Vendetta Angrath's Fury Angrath's Rampage Annihilating Glare Aphetto Dredging Appetite for Brains Arcane Omens Arms of Hadar Army of the Damned Arterial Flow Ashen Powder Ashes to Ashes Asphyxiate Ass Whuppin' Assassin's Strike Assassinate Atrocious Experiment Attempted Murder Auditore Ambush Auntie's Sentence Awaken the Blood Avatar Awaken the Erstwhile Back for Seconds Back in Town Back on Track Bad Deal Badlands Revival Bankrupt in Blood Barrin's Spite Barter in Blood Battle at the Bridge Beacon of Unrest Befoul Begin the Invasion Behold the Beyond Behold the Sinister Six

One huge milestone: The first playtest versions of the dual lands showed up in Delta, including early takes on Savannah
Braids, Cabal Minion Another reason Sol Ring is such a powerful card, is Braids, Cabal Minion
Thirty-five cards that were in Unlimited were not in Revised, including the Power Nine