Jump Scare Zimone, Mystery Unraveler helms this Duskmourn Commander Deck, and can allow you to cast big spells face-down until the moment comes for them to pop up (like a Jump Scare , get it?)
mechanic from Kuzco: Temperamental Emperor on other cards
Putting Demon and Devil creatures in your deck is one way to do this, and another is to lean into sacrifice synergies, both to summon Devils and make use of the Devils you summon
Tons of creatures in this set gain oil counters when you cast noncreature spells, like Atmosphere Surgeon, Ichor Synthesizer, Mercurial Spelldancer, Trawler Drake, Sawblade Scamp, and Vindictive Flamestoker
The exiling is nice removal and a brake on the rampant use and abuse of graveyards in kitchen table formats like Commander
Sorting through these options is made easier using the rarity filters, allowing you to distinguish between standard printings and the more elusive versions of cards like Blue, Loyal Raptor or the various Compy Swarm iterations