Theres no limit in a turn, so you can cast multiple spells on your opponents turn while they attack, and combat math suddenly goes in your favor
Bestial Bloodline Blood Spatter Analysis Bloodghast Bloodline Bidding Blossoming Tortoise Bonebind Orator Broodheart Engine Builder's Talent Call Damage Control Call a Surprise Witness Carnage, Crimson Chaos Carrion Cruiser Cauldron of Essence Cemetery Recruitment Cheerful Osteomancer Coati Scavenger Coiling Rebirth Consumed by Greed Convenient Target Corpses of the Lost Curious Forager Daily Bugle Reporters Damage Control Crew Daydream Deadly Brew Deadly Plot Deathless Pilot Defiled Crypt // Cadaver Lab Defossilize Desecrex, Gift of Servitude Dewdrop Cure Dire Flail Does Machines Dose of Dawnglow Driver of the Dead Dundoolin Weaver Dune Drifter Eddie Brock Elvish Regrower Emerge from the Cocoon Emeritus of Abundance Emptiness Evershrike's Gift Evil Reawakened Fear of Infinity Fell Gravship Fell Horseman Fiendish Panda Fight On
The icing on the cake comes during your upkeep, where you get to Scry X and make your opponents lose X life, where X is the number of Zombies under your control
Especially if you are playing control, how many of your spells are at instant vs
Its even better than Magmatic Insight specifically because of its flashback ability
You must choose an existing creature type, such as Goblin or Elemental