151 is a set in the Scarlet & Violet series. It was released on September 22, 2023. The printed size is 165. This checklist is longer, at 207 cards. Gloom is 44/165, in position 44 of 207 on this checklist. Before it is 43 Oddish, and after it is 45 Vileplume. The listed rarity is Uncommon.
Gloom is a Stage 1 Grass Pokémon with 70 HP. In the Pokédex this is Gloom (#044), generation 1 (Kanto). The card says it evolves from Oddish. In this catalog that name is Oddish (#043). The card lists Vileplume, Vileplume (#045) and Bellossom, Bellossom (#182) under evolves to.
Sekio illustrated this card. The same name is on 72 other cards in the catalog.
Gloom (#044) has 25 other cards in the catalog. Those other cards are in 22 sets. The other printings with a release date run from 1999 to 2026. The earliest other card is Gloom 37/64 in Jungle (1999). That card lists 60 HP, and this one lists 70 HP. Both list the rarity Uncommon. Keiji Kinebuchi illustrated that card, and Sekio illustrated this one. 15 other cards of Gloom list a different HP.
Semi-Blooming Energy is listed as Ability. When you play this Pokémon from your hand to evolve 1 of your Pokémon during your turn, you may look at the top 3 cards of your deck and attach any number of Basic Energy cards you find there to your Pokémon in any way you like. Shuffle the other cards back into your deck. The attack Drool lists 30 damage. The cost is Colorless, Colorless. Weakness is Fire ×2. Retreat cost is 1. The flavor text reads "What appears to be drool is actually sweet honey. It is very sticky and clings stubbornly if touched." The regulation mark is G.
I keep a set binder for 151, meant to hold every card of that set. This card is one slot in the 151 set binder. A generation binder holds one card of each species. Gloom can fill a slot in Generation 1 binder (Kanto). I still need this card.