AbilitySearch the Premises
Once during your turn (before your attack), you may have your opponent reveal their hand.

Sun & Moon is a set in the Sun & Moon series. It was released on February 3, 2017. The printed size is 149. This checklist is longer, at 173 cards. Gumshoos-GX is 110/149, in position 111 of 173 on this checklist. Before it is 109 Yungoos, and after it is 111 Stufful. The listed rarity is Rare Holo GX.
Gumshoos-GX is a Stage 1 GX Colorless Pokémon with 210 HP. In the Pokédex this is Gumshoos (#735), generation 7 (Alola). The card says it evolves from Yungoos. In this catalog that name is Yungoos (#734).
5ban Graphics illustrated this card. The same name is on 1,629 other cards in the catalog.
Gumshoos (#735) has 9 other cards in the catalog. Those other cards are in 7 sets. The other printings with a release date run from 2017 to 2025. The earliest other card is Gumshoos-GX 145/149 in Sun & Moon (2017). Both list 210 HP. The rarity there is Rare Ultra, and here it is Rare Holo GX. 7 other cards of Gumshoos list a different HP.
Search the Premises is listed as Ability. Once during your turn (before your attack), you may have your opponent reveal their hand. The attack Headbutt Bounce lists 100 damage. The cost is Colorless, Colorless, Colorless. Gumshoe Chance-GX is another attack lists 10+ damage. The cost is Colorless. This attack does 50 damage times the amount of Energy attached to your opponent's Active Pokémon. (You can't use more than 1 GX attack in a game.) Weakness is Fighting ×2. Retreat cost is 2. The card text says: Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
I keep a set binder for Sun & Moon, meant to hold every card of that set. This card is one slot in the Sun & Moon set binder. A generation binder holds one card of each species. Gumshoos can fill a slot in Generation 7 binder (Alola). I still need this card.
Once during your turn (before your attack), you may have your opponent reveal their hand.
This attack does 50 damage times the amount of Energy attached to your opponent's Active Pokémon. (You can't use more than 1 GX attack in a game.)
Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
Sun & Moon, in the Sun & Moon series. It was released on February 3, 2017. The printed size is 149.
110/149. It is entry 111 of 173 in this checklist.
5ban Graphics. The catalog lists 1,629 other cards with that illustrator.
Rare Holo GX.
Gumshoos #735, generation 7 (Alola).
Headbutt Bounce (100) and Gumshoe Chance-GX (10+).