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

Twilight Masquerade is a set in the Scarlet & Violet series. It was released on May 24, 2024. The printed size is 167. This checklist is longer, at 226 cards. Blissey ex is 134/167, in position 134 of 226 on this checklist. Before it is 133 Chansey, and after it is 135 Eevee. The listed rarity is Double Rare.
Blissey ex is a Stage 1 ex Colorless Pokémon with 300 HP. In the Pokédex this is Blissey (#242), generation 2 (Johto). The card says it evolves from Chansey. In this catalog that name is Chansey (#113).
Iwamoto05 illustrated this card. The same name is on 2 other cards in the catalog.
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 Double Rare. Yuka Morii illustrated that card, and Iwamoto05 illustrated this one. Retreat cost there is 2, and here it is 4. 20 other cards of Blissey list a different HP.
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.
I keep a set binder for Twilight Masquerade, meant to hold every card of that set. This card is one slot in the Twilight Masquerade set binder. 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.
134/167. It is entry 134 of 226 in this checklist.
Iwamoto05. The catalog lists 2 other cards with that illustrator.
Double Rare.
Blissey #242, generation 2 (Johto).
H.
Return (180).