How does "it's still a land" affect a permanent that would not otherwise be lands?
You have a non-land Elemental creature.
&quot;It's still a land&quot; does not give the land type. Instead, it prevents the land type (and any other type it might have) from being removed by Awaken because changing an object's type normally removes all of the object's other types.

205.1a Some effects set an object’s card type. In such cases, the new card type(s) replaces any existing card types. [...]
205.1b Some effects change an object’s card type, supertype, or subtype but specify that the object retains a prior card type, supertype, or subtype. In such cases, all the object’s prior card types, supertypes, and subtypes are retained. This rule applies to effects that use the phrase “in addition to its types” or that state that something is “still a [type, supertype, or subtype].” [...]