The attack trigger offers massive flexibility and should at least make it impossible to block Velomachus through all the free removal and combat tricks
Then there were a couple non-praetor, legendary creatures I wanted to see in my booster packs--another pair of HUGE creatures (this time, dinosaurs)

3 Blood Spatter Analysis Boggart Cursecrafter Bolg of the North Bolg's Company Bullseye, Death Dealer Carnage, Crimson Chaos Chaos Spewer Chaos, the Endless Cindering Cutthroat Coalstoke Gearhulk Crash, Reckless Endrider Cruel Administrator Deadly Complication Desecrex, Gift of Servitude Disturbing Mirth Eclipsed Boggart Far Fortune, End Boss Fearsome Goblin Pair Fireglass Mentor Garland, Knight of Cornelia Garna, Bloodfist of Keld Gastal Thrillseeker Gev, Scaled Scorch Goblin Plate Mail Green Goblin, Revenant Grub's Command Immersturm Predator Interceptor Mechan Judith, Carnage Connoisseur Kivni, Orb Weaver Knife Trick Kuja, Genome Sorcerer Laughing Jasper Flint Madame Hydra Molten Collapse Mutinous Massacre Nu and Sumi, Career Criminals Ozai, the Phoenix King Perforating Artist Pumpkin Bombardment Push // Pull Rakdos Joins Up Rakdos, Patron of Chaos Rakdos, the Muscle Rowan, Scion of War Rune-Brand Juggler Ruzic, Booed but Victorious Sawblade Skinripper Scarlet Spider, Kaine Shadow Urchin Shady Informant Shriek, Treblemaker Smaug, Wicked Worm The Great Goblin The Infamous Cruelclaw The Ruinous Wrecking Crew Tokka & Rahzar, Terrible Twos Totentanz, Swarm Piper Trance Kuja, Fate Defied Ultimate Green Goblin Undead Sprinter Vial Smasher, Gleeful Grenadier Vindictive Warden Zhao, Ruthless Admiral Zoyowa Lava-Tongue

The fair bucket is the largest, containing cards that are efficient and powerful, but that have a lot of redundancy within the Cube, such as Lightning Bolt, Counterspell, Llanowar Elves, cheap creatures meant for combat, and even big finishers like Frost Titan
1 Faldorn, Dread Wolf Herald
I even put my old Gishath, Suns Avatar EDH deck back together with the intent to upgrade it with cards from Lost Caverns