If I reveal 5 {R} Energy with Smeargle's "Live Painting" attack, does it do 30 more damage for each one?
No, you only count once for each type that's revealed. Even if you reveal 5 {R} Energy, it would only add +30 damage because it's only one type.
Source: Evolving Skies FAQ; TPCi Rules Team (2021-08-26)

Relevant cards

Note: All applicable cards may not be listed below.
SWSH7_128
SWSH7_128