AttackReckless Charge
This Pokémon does 10 damage to itself.

Bagon is Pokédex #371, generation 3 (Hoenn). Bagon is a Basic Dragon Pokémon with 70 HP. The card lists Shelgon, Shelgon (#372) under evolves to.
Bagon sits at 104/168 in Celestial Storm, position 105 of 187. Before it is 103 Bagon, and after it is 105 Shelgon. The set belongs to the Sun & Moon series. It was released on August 3, 2018. The printed size is 168. This checklist is longer, at 187 cards. The listed rarity is Common.
The attack Reckless Charge lists 40 damage. The cost is Fire, Colorless. This Pokémon does 10 damage to itself. Weakness is Fairy ×2. Retreat cost is 2. The flavor text reads "With its steel-hard stone head, it headbutts indiscriminately. This is because of the stress it feels at being unable to fly."
Bagon (#371) has 21 other cards in the catalog. Those other cards are in 16 sets. The other printings with a release date run from 2003 to 2025. The earliest other card is Bagon 23/97 in Dragon (2003). That card lists 50 HP, and this one lists 70 HP. The rarity there is Uncommon, and here it is Common. Mitsuhiro Arita illustrated that card, and sui illustrated this one. Retreat cost there is 1, and here it is 2. 19 other cards of Bagon list a different HP.
The illustrator line reads sui. I count 194 other cards in the catalog with that illustrator.
Celestial Storm set binder is where a full Celestial Storm set goes. This card fills one slot there. A generation binder holds one card of each species. Bagon can fill a slot in Generation 3 binder (Hoenn). I still need this card.
This Pokémon does 10 damage to itself.
With its steel-hard stone head, it headbutts indiscriminately. This is because of the stress it feels at being unable to fly.
Celestial Storm, in the Sun & Moon series. It was released on August 3, 2018. The printed size is 168.
104/168. It is entry 105 of 187 in this checklist.
sui. The catalog lists 194 other cards with that illustrator.
Common.
Bagon #371, generation 3 (Hoenn).
Reckless Charge (40).