If you've had a situation like this happen to you you've learned the "Always have some amount of graveyard hate in your 100" lesson the hard way
If Lurking Predators either stops them from doing so or slows them down at all, its doing good work
Im actually surprised that this is as low as it is
The fabled golden city would give the first faction to control it an upper hand in the perpetual conflicts on the plane, although in truth much of the legendary power of the city came from the Immortal Sunan ancient artifact powered by the Planeswalker spark of Azor
If you cast the dragon part and it resolves, it enters as a creature, and you cant cast the omen anymore once its in play
Similarly, it won't be subject to the turn-based action that adds a lore counter to each Saga you control at the beginning of your first main phase each turn. Suppose I have Summon: Bahamut in play, and place a second lore counter on it