Your search for "Popplio 39/149" revealed the following:
Popplio - 39/149 - Holo Promo (Water Web Holo) from Pokemon Miscellaneous Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Kouki Saitou Card Text:[W] Pound (10)[1W] Water Gun (20)
Popplio - 39/149 - Common from Sun & Moon (Base Set), available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Kouki Saitou Card Text:[1] Pound (10)[1W] Water Gun (20)
Popplio - 39/149 - Common - Reverse Holo from Sun & Moon (Base Set), available at 401 Games Canada. Rarity: Common Finish: Reverse Holo Artist: Kouki Saitou Card Text:[1] Pound (10)[1W] Water Gun (20)
Popplio - 39/149 - Promo (Cosmos Holo) from Pokemon Miscellaneous Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Kouki Saitou Card Text:[1] Pound (10)[1W] Water Gun (20)
Popplio - SM24 - Holo Promo from Sun & Moon Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: 5ban Graphics Card Text:[W] Pound (10)[1W] Water Gun (20)
Popplio (Japanese) - 175/SM-P - Promo from SM-P: Sun & Moon Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: 5ban Graphics Card Text:[Water] Pound (10)[Water][Colorless] Water Gun (20)
Popplio (Japanese) - 064/SM-P - Promo from SM-P: Sun & Moon Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: 5ban Graphics Card Text:[Water] Pound (10)[Water][Colorless] Water Gun (20)
Popplio (Japanese) - 051/SM-P - Promo from SM-P: Sun & Moon Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Hitoshi Ariga Card Text:[Water][Colorless] Disarming Voice (20)Flip a coin. If heads, your opponent's Active Pokémon is now Confused....