My guess is, yes, in that particular narrow instance but also more broadly, depth is good
But 21 lands in a 61 card deck is 0.344, a ratio of lands that is impossible with a 60 card deck
Winning is a lot harder than it needs to be when playing for luck, and your enjoyment of the game will suffer the more frustrated you become
If you hover over the search bar youll see a pop-up showing you all the various terms you can use to narrow your search
In fact, by this time next week, well already be able to play with the set on Arena
I fully agree on not putting Sol Ring in this precon by the way - you have 133 pips to fix for in this deck and Sol Ring tapping for double colorless will not help in making you cast the large number of 5-color cards anytime soon, but if there was ever a time to reprint Birds of Paradise into a precon it should have been this one