Yep. Versatility is the best spell.The "best spell" can vary depending on the situation and opponent.
I'm standing just above a fragile snow pack and the enemy forces are in the valley below me? Shatter is the best spell ever! Hundreds dead with a 2nd level spell.
I have Wall of Fire up and several enemies on this side of it? Thunderwave is the best spell, because it can push them all into the Firewall.
I'm facing enemies immune to fire? All my fire spells just went from "best" to "worst".
Fighting Salamanders (vulnerable to cold) - all the cold spells that are usually 3rd or 4th best are now The Best.
That is a peculiar standard to choose.For the sake of standardization... You lack at-will cantrips, and instead use 0-level spell slots to cast 0-level spells.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.