mewtwo pokemon card worth V 030/078 - Go Captured in a crystal Pokemon PSA 10 Gem Mint

The -3/-3 from Locthwain Scorn is enough to take down most of the one, two, and three mana creatures in the format

A lot of red cards still remain (Chandra?!?), but this a pretty good start

All of this to say that you have to do your research if you plan to separate specific bulk cards

Arjun, the Shifting Flame Bria, Riptide Rogue Brudiclad, Telchor Engineer Dack Fayden Epic Experiment Eris, Roar of the Storm Expressive Iteration Fevered Visions Firkraag, Cunning Instigator Galazeth Prismari Iron Man, Titan of Innovation Jhoira of the Ghitu Jhoira, Weatherlight Captain Keranos, God of Storms Kraum, Ludevic's Opus Kylox's Voltstrider Ludevic, Necro-Alchemist Magma Opus Melek, Reforged Researcher Mizzix of the Izmagnus Muddle, the Ever-Changing Myra the Magnificent Niv-Mizzet, Dracogenius Niv-Mizzet, Visionary Niv-Mizzet, the Firemind North Wind Avatar Prismari, the Inspiration Ral Zarek Ral, Caller of Storms Ral, Crackling Wit Ral, Izzet Viceroy Ral, Leyline Prodigy Rielle, the Everwise Rootha, Mastering the Moment Saheeli Rai Saheeli, Filigree Master Saheeli, the Gifted Saheeli, the Sun's Brilliance Sarkhan, Soul Aflame Stella Lee, Wild Card Tawnos, Urza's Apprentice The Invincible Iron Man The Locust God The Royal Scions The Tenth Doctor Thousand-Year Storm Veyran, Voice of Duality Vivi Ornitier Zaffai, Thunder Conductor