Very few games play out this way (and sometimes it is correct to deviate), but it's important to set yourself up for success as much as possible
Unlike Lumra, she does not require a dedicated Lands package
The deck additionally features several other card draw spells, and creatures that can draw you more cards (such as Arcanis) or scry, allowing you to stock your hand with the spells you need
I dont know that lands-matter strategies really get there in cEDH, but if were talking high Bracket 3 or Bracket 4 lands decks, World Shaper has some great tools
Reanimation & Graveyard Synergy:Utilize powerful spells and abilities to bring creatures back from the graveyard and gain an edge over your opponents
The difference in power between Chained and Journey is minimal compared to the difference in playability and so I just can't justify the vulable cube slot