AttackAurora Gain
Heal 20 damage from this Pokémon.

Walking Wake is Pokédex #1009, generation 9 (Paldea). Walking Wake is a Basic Ancient Water Pokémon with 130 HP.
Walking Wake sits at 63/167 in Twilight Masquerade, position 63 of 226. Before it is 62 Iron Bundle, and after it is 64 Wellspring Mask Ogerpon 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 listed rarity is Rare.
The attack Aurora Gain lists 20 damage. The cost is Water. Heal 20 damage from this Pokémon. Undulating Slice is another attack lists 20× damage. The cost is Water, Water, Colorless. Put up to 9 damage counters on this Pokémon. This attack does 20 damage for each damage counter you placed in this way. Weakness is Lightning ×2. Retreat cost is 1. The flavor text reads "This ferocious creature is shrouded in mystery. It's named after an aquatic monster mentioned in an old expedition journal." The regulation mark is H.
Walking Wake (#1009) has 5 other cards in the catalog. Those other cards are in 2 sets. The other printings with a release date run from 2023 to 2024. The earliest other card is Walking Wake ex 127/102 in Scarlet & Violet Black Star Promos (2023). That card is named Walking Wake ex, while this one is Walking Wake. That card lists 220 HP, and this one lists 130 HP. The rarity there is Promo, and here it is Rare. takuyoa illustrated that card, and kawayoo illustrated this one. 5 other cards of Walking Wake list a different HP.
The illustrator line reads kawayoo. I count 209 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. Walking Wake can fill a slot in Generation 9 binder (Paldea). I still need this card.
Heal 20 damage from this Pokémon.
Put up to 9 damage counters on this Pokémon. This attack does 20 damage for each damage counter you placed in this way.
This ferocious creature is shrouded in mystery. It's named after an aquatic monster mentioned in an old expedition journal.
Twilight Masquerade, in the Scarlet & Violet series. It was released on May 24, 2024. The printed size is 167.
63/167. It is entry 63 of 226 in this checklist.
kawayoo. The catalog lists 209 other cards with that illustrator.
Rare.
Walking Wake #1009, generation 9 (Paldea).
H.
Aurora Gain (20) and Undulating Slice (20×).