here it comes

You meant electric terrain boosted thunderbolt because electric terain boosts electric type moves.

Rain dance sets up rain, which powers up water type moves.

I thought it also powered up electric type moves because when I caught Zappos in Pokémon Y, it knows Rain Dance

So I guess you might be someone who chose likes the Fenniken line, or just Fenniken because if the player chose Fenniken you get Zapdos. Learn more on bulbapedia.bulbagarden.net/wiki/Roaming_Pokémon

Pick Fennikin= Zapdos
Pick Chespin= Articuno
Pick Froakie= Moltres

You like the Fenniken line?(Just asking)

Yeah