Most Gem Mint fails are centering, and you cant fix it after the fact
Vehicles follow a similar style of play: cast a creature, tap it to crew, attack with your undercosted threat
If you're discarding, use the Madness
Advanced Search Sets Random Syntax Abyssal Persecutor Aku Djinn Archdemon of Greed Archdemon of Unx Black Carriage Bloodvial Purveyor Bringer of the Black Dawn Cairn Wanderer Clackbridge Troll Cleaving Reaper Decadent Dragon Delraich Demon of Catastrophes Demon of Death's Gate Demon of Fate's Design Demon of Loathing Demonlord Belzenlok Deviant Glee Devouring Strossus Devouring Sugarmaw Doom Whisperer Driven // Despair Ebon Praetor Galian Beast Gallowbraid Goremand Grond, the Gatebreaker Gutwrencher Oni Hailstorm Valkyrie Hunted Horror Infernal Sovereign Infernal Spawn of Infernal Spawn of Evil Infernius Spawnington III, Esq
You'll have to decide which creature type to bias towards
The neat thing with giving all your Slivers cascade is that they also have the effect when cast from your library, so youll get to trigger another instance of it cascade