AttackImpound
The Defending Pokémon can't retreat during your opponent's next turn.

Spinarak is Pokédex #167, generation 2 (Johto). Spinarak is a Basic Grass Pokémon with 50 HP. The card lists level 18. The card lists Ariados, Ariados (#168) under evolves to.
Spinarak sits at 103/123 in Mysterious Treasures, position 103 of 124. Before it is 102 Spheal, and after it is 104 Surskit. The set belongs to the Diamond & Pearl series. It was released on August 1, 2007. The printed size is 123. This checklist is longer, at 124 cards. The listed rarity is Common.
The attack Impound lists no damage number. The cost is Colorless. The Defending Pokémon can't retreat during your opponent's next turn. Double Scratch is another attack lists 20× damage. The cost is Grass, Colorless. Flip 2 coins. This attack does 20 damage times the number of heads. Weakness is Fire +10. Retreat cost is 1. The flavor text reads "It sets a trap by spinning a web with thin but strong silk. It waits motionlessly for prey to arrive."
Spinarak (#167) has 17 other cards in the catalog. Those other cards are in 16 sets. The other printings with a release date run from 2000 to 2026. The earliest other card is Spinarak 75/111 in Neo Genesis (2000). That card lists 40 HP, and this one lists 50 HP. Both list the rarity Common. Ken Sugimori illustrated that card, and Kagemaru Himeno illustrated this one. 8 other cards of Spinarak list a different HP.
The illustrator line reads Kagemaru Himeno. I count 656 other cards in the catalog with that illustrator.
Mysterious Treasures set binder is where a full Mysterious Treasures set goes. This card fills one slot there. A generation binder holds one card of each species. Spinarak can fill a slot in Generation 2 binder (Johto). I still need this card.
The Defending Pokémon can't retreat during your opponent's next turn.
Flip 2 coins. This attack does 20 damage times the number of heads.
It sets a trap by spinning a web with thin but strong silk. It waits motionlessly for prey to arrive.
Mysterious Treasures, in the Diamond & Pearl series. It was released on August 1, 2007. The printed size is 123.
103/123. It is entry 103 of 124 in this checklist.
Kagemaru Himeno. The catalog lists 656 other cards with that illustrator.
Common.
Spinarak #167, generation 2 (Johto).
Impound and Double Scratch (20×).