Sacrifice effects, edicts, and mass removal help Zombies survive longer games where boards get crowded
The main upgrade route for this deck is more enchantment auras or equipment to really drive home the fact that your board presence is inevitable, and you are going to start swinging at your opponents as soon as possible, and it's going to hurt
This is mostly driven by the rarity
You wont have much support for a Goblin-based deck by adding white to the mix, but you can turn your Goblin tokens into an unstoppable army for only five mana
Black Lotus is one of the priciest trading cards in the entire world
Theyre worth it for the value of the rares and mythics that can be opened, as well as the experience of cracking packs, or just drafting with your friends