AbilityHappy Switch
Once during your turn, you may move a Basic Energy from 1 of your Pokémon to another of your Pokémon.

Blissey is Pokédex #242, generation 2 (Johto). Blissey ex is a Stage 1 ex Colorless Pokémon with 300 HP. The card says it evolves from Chansey. In this catalog that name is Chansey (#113).
Blissey ex sits at 201/167 in Twilight Masquerade, position 201 of 226. Before it is 200 Dragapult ex, and after it is 202 Bloodmoon Ursaluna ex. The set belongs to the Scarlet & Violet series. It was released on May 24, 2024. The printed size is 167. This checklist is longer, at 226 cards. The collector number is above the printed set size of 167. The listed rarity is Ultra Rare.
Happy Switch is listed as Ability. Once during your turn, you may move a Basic Energy from 1 of your Pokémon to another of your Pokémon. The attack Return lists 180 damage. The cost is Colorless, Colorless, Colorless. You may draw cards until you have 6 cards in your hand. Weakness is Fighting ×2. Retreat cost is 4. The card text says: Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards. The regulation mark is H.
Blissey (#242) has 21 other cards in the catalog. Those other cards are in 17 sets. The other printings with a release date run from 2001 to 2024. The earliest other card is Blissey 2/64 in Neo Revelation (2001). That card is named Blissey, while this one is Blissey ex. That card lists 120 HP, and this one lists 300 HP. The rarity there is Rare Holo, and here it is Ultra Rare. Yuka Morii illustrated that card, and PLANETA Tsuji illustrated this one. Retreat cost there is 2, and here it is 4. 20 other cards of Blissey list a different HP.
The illustrator line reads PLANETA Tsuji. I count 81 other cards in the catalog with that illustrator.
Twilight Masquerade set binder is where a full Twilight Masquerade set goes. This card fills one slot there. A generation binder holds one card of each species. Blissey can fill a slot in Generation 2 binder (Johto). Themed lists that include this exact card are Pink Pokémon. I still need this card.
Once during your turn, you may move a Basic Energy from 1 of your Pokémon to another of your Pokémon.
You may draw cards until you have 6 cards in your hand.
Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.
Twilight Masquerade, in the Scarlet & Violet series. It was released on May 24, 2024. The printed size is 167.
201/167. It is entry 201 of 226 in this checklist.
PLANETA Tsuji. The catalog lists 81 other cards with that illustrator.
Ultra Rare.
Blissey #242, generation 2 (Johto).
H.
Return (180).