View Spell Caster Dnd Pics. What's the difference between them all? Depends on how you define best.

I am starting to get into dnd and i've recently ordered my players handbook. I am using roll20 compendium and dnd 5e wikia for spell descriptions. Removal of spell memorization system :

Depends on how you define best.

Filter spells by its level, spell school, by the type of attack roll it uses, by its saving throw, by the components it uses. What's the difference between them all? Best versatility, best healing, or what? Pair up with other spellcasters so only one of you can be counterspelled in a round.