Double Masters Variants WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | COLORLESS | ARTIFACT | LAND | ALL CARDS WHITE Avacyn, Angel of Hope Council's Judgment Stoneforge Mystic Wrath of God BLUE Jace, the Mind Sculptor Brainstorm Cyclonic Rift Force of Will Phyrexian Metamorph BLACK Dark Confidant Fatal Push Thoughtseize Toxic Deluge RED Blood Moon Goblin Guide Sneak Attack GREEN Crop Rotation Doubling Season Exploration Noble Hierarch Chord of Calling MULTICOLORED Atraxa, Praetors' Voice Kaalia of the Vast Meddling Mage COLORLESS Karn Liberated ARTIFACT Batterskull Blightsteel Colossus Chrome Mox Expedition Map Lightning Greaves Mana Crypt Mox Opal Sword of Body and Mind Sword of Feast and Famine Sword of Fire and Ice Sword of Light and Shadow Sword of War and Peace Wurmcoil Engine LAND Academy Ruins Urza's Mine Urza's Power Plant Urza's Tower Plains Plains Island Island Swamp Swamp Mountain Mountain Forest Forest WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | COLORLESS | ARTIFACT | LAND | ALL CARDS

That means there is at least one rare left to discover (or two, if you factor in that Charcadet is the English-language Elite Trainer Box promo)
I don't suspect he will be coming back ever to my drafting cube but I am sure I will get to see a bit more of Crum courtesy of some constructed cube decks.
You can pair it up with either Zur, Eternal Schemer or Chromium, the Mutable
+1: Target creature without first strike, double strike, or vigilance cant attack or block until your next turn
Dethrones Jack and takes over his position as "King", not only in Riding Duels, but also in Entertainment Dueling