AttackEnergy Crush
This attack does 50 damage for each Energy attached to all of your opponent's Pokémon.

Magnezone is Pokédex #462, generation 4 (Sinnoh). Magnezone ex is a Stage 2 ex Lightning Pokémon with 330 HP. The card says it evolves from Magneton. In this catalog that name is Magneton (#082).
Magnezone ex sits at 226/198 in Scarlet & Violet, position 226 of 258. Before it is 225 Gyarados ex, and after it is 227 Miraidon ex. The set belongs to the Scarlet & Violet series. It was released on 31 March 2023. The printed size is 198. This checklist is longer, at 258 cards. The collector number is above the printed set size of 198. The listed rarity is Ultra Rare.
The attack Energy Crush lists 50× damage. The cost is Lightning. This attack does 50 damage for each Energy attached to all of your opponent's Pokémon. Pulse Launcher is another attack lists 220 damage. The cost is Lightning, Lightning. This Pokémon also does 30 damage to itself. Weakness is Fighting ×2. Retreat cost is 3. The card text says: Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards. The regulation mark is G.
Magnezone (#462) has 27 other cards in the catalog. Those other cards are in 20 sets. The other printings with a release date run from 2007 to 2025. The earliest other card is Magnezone 8/130 in Diamond & Pearl (2007). That card is named Magnezone, while this one is Magnezone ex. That card lists 120 HP, and this one lists 330 HP. The rarity there is Rare Holo, and here it is Ultra Rare. Nakaoka illustrated that card, and PLANETA Tsuji illustrated this one. Retreat cost there is 4, and here it is 3. 26 other cards of Magnezone list a different HP.
The illustrator line reads PLANETA Tsuji. I count 81 other cards in the catalog with that illustrator.
Scarlet & Violet set binder is where a full Scarlet & Violet set goes. This card fills one slot there. A generation binder holds one card of each species. Magnezone can fill a slot in Generation 4 binder (Sinnoh). Themed lists that include this exact card are Magnemite, Magneton, and Magnezone. I still need this card.
This attack does 50 damage for each Energy attached to all of your opponent's Pokémon.
This Pokémon also does 30 damage to itself.
Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.
Scarlet & Violet, in the Scarlet & Violet series. It was released on 31 March 2023. The printed size is 198.
226/198. It is entry 226 of 258 in this checklist.
PLANETA Tsuji. The catalog lists 81 other cards with that illustrator.
Ultra Rare.
Magnezone #462, generation 4 (Sinnoh).
G.
Energy Crush (50×) and Pulse Launcher (220).