Like most Pokmon cards, the value of Zygarde depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Fates Collide)
Instead of a religious image, I thought you might be interested An invitation As I mentioned a few weeks ago, it is pretty certain that Midwest Theological Forum will be taking over Doctrinal Homily Outlines
I cant say that Kolaghan Monument is necessarily better than Dromoka Monument as it depends on the color identity of your deck
The original Multani was a dominant force in its era of multiplayer madness, as a huge creature with a major board presence and hexproof
Wizard of the Coast, the company responsible for designing and printing MTG, have been experimenting with more complex ward costs (like Saruman of Many Colors), so its likely theyll keep exploring this mechanic further in future sets