Extraction Specialist is a nice piece for non-black reanimator decks like Hofri and Teshar, while Mysterious Limousine a string of words I thought Id never utter in reference to a Magic card gives repeated enters-the-battlefield value for a very reasonable crew cost
So, be careful about what youre purchasing
By the time this card runs out of nodes, you should have all the colors you need
Abigale, Poet Laureate Agent of the Fates Akroan Conscriptor Akroan Crusader Akroan Line Breaker Akroan Skyguard Anax and Cymede Anax and Cymede & Kynaios and Tiro (playtest) Anthousa, Setessan Hero Arena Athlete Artisan of Forms Ashiok's Adept Battlefield Thaumaturge Battlewise Hoplite Bloodcrazed Hoplite Brigone, Soldier of Meletis Centaur Battlemaster Chorus of the Tides Cleon, Merry Champion Dawnbringer Charioteers Elite Skirmisher Fabled Hero Favored Hoplite Hero of Iroas Hero of Leina Tower Labyrinth Champion Lagonna-Band Trailblazer Leonin Iconoclast Meletis Astronomer Mindreaver Phalanx Leader Pheres-Band Thunderhoof Rosnakht, Heir of Rohgahh Sage of Hours Satyr Hoplite Setessan Battle Priest Setessan Oathsworn Staunch-Hearted Warrior Tethmos High Priest Tormented Hero Triton Cavalry Triton Fortune Hunter Vanguard of Brimaz War-Wing Siren Wavecrash Triton Weird Angel Flame Wingsteed Rider

Even costing two mana and not hitting one or two drops Transgress is more effective early game disruption than Blackmail
If you dont deal the tenth blow, the other nine are irrelevant