Thats why Id stress having cheap interaction and quick two-for-ones
By mastering the Sphere Grid, each of your creatures will level up with helpful new keyword abilities
Gae Bolg Equip Artifact - Equipment Color tag templates(None) Samurai's Katana Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature gets +2/+2, has trample and haste, and is a Samurai in addition to its other types
Then, Krothuss wants you to attack with one of those large creatures, and especially loves if it lukrs in the deep
The other drawback to building around The Underworld Cookbook is that you have to sacrifice it
A mana doubler that draws extra cards each turn can only be so bad, and trample means it's no slouch at keeping you in that throne