AttackSpike Cannon
Flip 3 coins. This attack does 10 damage times the number of heads.

Cacnea is Pokédex #331, generation 3 (Hoenn). Cacnea is a Basic Grass Pokémon with 50 HP. The card lists Cacturne, Cacturne (#332) under evolves to.
Cacnea sits at 44/106 in Emerald, position 44 of 107. Before it is 43 Baltoy, and after it is 45 Doduo. The set belongs to the EX series. It was released on 1 May 2005. The printed size is 106. This checklist is longer, at 107 cards. The listed rarity is Common.
The attack Spike Cannon lists 10× damage. The cost is Colorless. Flip 3 coins. This attack does 10 damage times the number of heads. Weakness is Fire ×2. Retreat cost is 1.
Cacnea (#331) has 15 other cards in the catalog. Those other cards are in 14 sets. The other printings with a release date run from 2003 to 2023. The earliest other card is Cacnea 57/100 in Sandstorm (2003). Both list 50 HP. Both list the rarity Common. Atsuko Nishida illustrated that card, and Mitsuhiro Arita illustrated this one. 8 other cards of Cacnea list a different HP.
The illustrator line reads Mitsuhiro Arita. I count 721 other cards in the catalog with that illustrator.
Emerald set binder is where a full Emerald set goes. This card fills one slot there. A generation binder holds one card of each species. Cacnea can fill a slot in Generation 3 binder (Hoenn). Themed lists that include this exact card are Mitsuhiro Arita cards. I still need this card.
Flip 3 coins. This attack does 10 damage times the number of heads.
Emerald, in the EX series. It was released on 1 May 2005. The printed size is 106.
44/106. It is entry 44 of 107 in this checklist.
Mitsuhiro Arita. The catalog lists 721 other cards with that illustrator.
Common.
Cacnea #331, generation 3 (Hoenn).
Spike Cannon (10×).