Ancient Craving This one (and its functional duplicate Ambitions Cost) is pretty basic
Once every end step, if you returned a creature from your graveyard to the battlefield, it comes with an extra 3/3 zombie
Protection is important in Equipment decks, and youll generally want to eschew the shroud on Lightning Greaves, anyway, as it stops you equipping more Equipment unless you can move it off
More obviously, the dwarven trader with the counting pony is called Renzel instead of Halina and the An-Zerrin Ruins are called En-Sendra and are supposed to be haunted by the ghost of a planeswalker instead of a group of people killed by Sengir
Capture Sphere If you want a creature to be relatively unable to do anything at all, Capture Sphere is one of the best ways to go about that
And even if you only get it out that once, you still wind up with a cheap 1/1 flier that you can flash in and only adds to your ranks for future Spellstutters