AttackThundershock
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

Magnemite is Pokédex #081, generation 1 (Kanto). Lt. Surge's Magnemite is a Basic Lightning Pokémon with 40 HP. The card lists level 12. The card lists Magneton, Magneton (#082) under evolves to.
Lt. Surge's Magnemite sits at 80/132 in Gym Heroes, position 80 of 132. Before it is 79 Erika's Tangela, and after it is 81 Lt. Surge's Pikachu. The set belongs to the Gym series. It was released on 14 August 2000. The printed size is 132, and the checklist is the same length. The listed rarity is Common.
The attack Thundershock lists 10 damage. The cost is Lightning. Flip a coin. If heads, the Defending Pokémon is now Paralyzed. Tackle is another attack lists 20 damage. The cost is Colorless, Colorless. Weakness is Fighting ×2. Retreat cost is 1.
Magnemite (#081) has 45 other cards in the catalog. Those other cards are in 35 sets. The other printings with a release date run from 1999 to 2025. The earliest other card is Magnemite 53/102 in Base (1999). That card is named Magnemite, while this one is Lt. Surge's Magnemite. Both list 40 HP. Both list the rarity Common. Keiji Kinebuchi illustrated that card, and Ken Sugimori illustrated this one. 33 other cards of Magnemite list a different HP.
The illustrator line reads Ken Sugimori. I count 1,112 other cards in the catalog with that illustrator.
Gym Heroes set binder is where a full Gym Heroes set goes. This card fills one slot there. A generation binder holds one card of each species. Magnemite can fill a slot in Generation 1 binder (Kanto). Themed lists that include this exact card are Trainer's Pokémon, Kanto Gym Leaders and their Pokémon, Lt. Surge and his Pokémon, and Magnemite, Magneton, and Magnezone. I still need this card.
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Gym Heroes, in the Gym series. It was released on 14 August 2000. The printed size is 132.
80/132. It is entry 80 of 132 in this checklist.
Ken Sugimori. The catalog lists 1,112 other cards with that illustrator.
Common.
Magnemite #081, generation 1 (Kanto).
Thundershock (10) and Tackle (20).