Pete Caught Up in the Music is best played early so you can get his Strength buff later
Zzzyxas's Abyss This card was actually not inspired by The Abyss but rather by the Arabian Nights card Drop of Honey
Seize the Spoils Seize the Spoils is a cheaper Pirate's Pillage, and as every pirate knows, cheaper is better
Let's not overcomplicate things, if you have two dragons, and they both get indestructible and grow each turn, isn't that worth 5 mana
With three opponents, we could get triple the triggers on the nonsense that they're doing, and us giving them extra cards will only encourage them to do more nonsense
Finding Equipment Esper has access to black, so you could run Demonic Tutor and its ilk, but there are also a bunch of other choices that search specifically for Equipment or artifacts to find just the right card for the job