Despite Dreadbore being the weaker creature kill spell at sorcery speed it is the more useful and desirable spell in a cube setting and that edges out this premium kill spell
Noctis, Prince of Lucisby Jeremy Chong
It works like a mixture of venture and monarch , which means its a familiar mechanic that wont feel new or overly complicated like other new mechanics often do

Abuna Acolyte Adorable Kitten Adorned Pouncer Ajani's Chosen Ajani's Pridemate Ajani's Sunstriker Ajani, Nacatl Pariah Alms Collector Angelic Cub Arahbo, the First Fang Arcbound Mouser Armored Skyhunter Balan, Wandering Knight Basri's Acolyte Blade of the Sixth Pride Bola Slinger Bounding Felidar Brimaz, King of Oreskos Brokers Initiate Charmed Stray Coeurl Cubwarden Dawnwing Marshal Eager Glyphmage Emeritus of Truce Enlightened Ascetic Envoy of Okinec Ahau Felidar Cub Felidar Guardian Felidar Savior Felidar Sovereign Forum Familiar G'raha Tia Gaelicat Garrison Cat Glittering Lion Glittering Lynx Gloryheath Lynx Gods' Hall Guardian Graceful Cat Guardian Lions Half-Kitten, Half- Healer of the Pride Helpful Hunter Herald of the Forgotten Hero of the Pride Highcliff Felidar Honorbound Page Huntmaster Liger Ingenious Leonin Ironpaw Aspirant Jamuraan Lion Jareth, Leonine Titan Jazal Goldmane Jedit's Dragoons Jhovall Queen Kemba's Legion Kemba's Skyguard Kemba, Kha Enduring Kemba, Kha Regent King of the Pride Kutzil's Flanker Leonin Abunas Leonin Arbiter Leonin Battlemage Leonin Den-Guard Leonin Elder Leonin Iconoclast Leonin Lightbringer Leonin Lightscribe Leonin Relic-Warder

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The funniest thing to do with Displaced Dinosaurs is to play them in a deck where you'd prefer your commander become a 7/7 dinsoaur as soon as it comes into play