AttackSwords Dance
During your next turn, Scyther's Slash attack's base damage is 60 instead of 30.

Scyther is Pokédex #123, generation 1 (Kanto). Scyther is a Basic Grass Pokémon with 70 HP. The card lists level 25. The card lists Scizor, Scizor (#212) under evolves to.
Scyther sits at 10/64 in Jungle, position 10 of 64. Before it is 9 Pinsir, and after it is 11 Snorlax. The set belongs to the Base series. It was released on June 16, 1999. The printed size is 64, and the checklist is the same length. The listed rarity is Rare Holo.
The attack Swords Dance lists no damage number. The cost is Grass. During your next turn, Scyther's Slash attack's base damage is 60 instead of 30. Slash is another attack lists 30 damage. The cost is Colorless, Colorless, Colorless. Weakness is Fire ×2. Resistance is Fighting -30. The flavor text reads "With ninja-like agility and speed, it can create the illusion that there is more than one of it."
Scyther (#123) has 31 other cards in the catalog. Those other cards are in 28 sets. The other printings with a release date run from 1999 to 2024. The earliest other card is Scyther 26/64 in Jungle (1999). Both list 70 HP. The rarity there is Rare, and here it is Rare Holo. 22 other cards of Scyther list a different HP.
The illustrator line reads Ken Sugimori. I count 1,112 other cards in the catalog with that illustrator.
Jungle set binder is where a full Jungle set goes. This card fills one slot there. A generation binder holds one card of each species. Scyther can fill a slot in Generation 1 binder (Kanto). I still need this card.
During your next turn, Scyther's Slash attack's base damage is 60 instead of 30.
With ninja-like agility and speed, it can create the illusion that there is more than one of it.
Jungle, in the Base series. It was released on June 16, 1999. The printed size is 64.
10/64. It is entry 10 of 64 in this checklist.
Ken Sugimori. The catalog lists 1,112 other cards with that illustrator.
Rare Holo.
Scyther #123, generation 1 (Kanto).
Swords Dance and Slash (30).