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
The creature's mana value is checked only as Fatal Push resolves
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
The delete function is really recommended though, I'll be able to delete the duplicated cards I've made while I was saving my cards
Additionally, the game is likely to go on for a while, and you should find two more lands at some point
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