AbilitySand Cover
As long as Hippowdon is your Active Pokémon, put 1 damage counter on each of your opponent's Pokémon LV.X between turns.

Rising Rivals is a set in the Platinum series. It was released on May 16, 2009. The printed size is 111. This checklist is longer, at 120 cards. Hippowdon is 25/111, in position 25 of 120 on this checklist. Before it is 24 Heracross E4, and after it is 26 Jolteon. The listed rarity is Rare.
Hippowdon is a Stage 1 Fighting Pokémon with 110 HP. The card lists level 48. In the Pokédex this is Hippowdon (#450), generation 4 (Sinnoh). The card says it evolves from Hippopotas. In this catalog that name is Hippopotas (#449).
Tomoaki Imakuni illustrated this card. The same name is on 13 other cards in the catalog.
Hippowdon (#450) has 13 other cards in the catalog. Those other cards are in 12 sets. The other printings with a release date run from 2007 to 2026. The earliest other card is Hippowdon 29/130 in Diamond & Pearl (2007). Both list 110 HP. Both list the rarity Rare. Kouki Saitou illustrated that card, and Tomoaki Imakuni illustrated this one. Retreat cost there is 3, and here it is 4. 12 other cards of Hippowdon list a different HP.
Sand Cover is listed as Poké-Body. As long as Hippowdon is your Active Pokémon, put 1 damage counter on each of your opponent's Pokémon LV.X between turns. The attack Save Sand lists 20+ damage. The cost is Colorless. Does 20 damage plus 10 more damage for each Energy attached to Hippowdon. Before doing damage, you may search your discard pile for a Fighting Energy card and attach it to Hippowdon. Groundquake is another attack lists 80 damage. The cost is Fighting, Fighting, Colorless, Colorless. Does 10 damage to each Benched Pokémon that isn't an Evolved Pokémon (both yours and your opponent's). (Don't apply Weakness and Resistance for Benched Pokémon). Weakness is Water +20. Resistance is Lightning -20. Retreat cost is 4.
I keep a set binder for Rising Rivals, meant to hold every card of that set. This card is one slot in the Rising Rivals set binder. A generation binder holds one card of each species. Hippowdon can fill a slot in Generation 4 binder (Sinnoh). I still need this card.
As long as Hippowdon is your Active Pokémon, put 1 damage counter on each of your opponent's Pokémon LV.X between turns.
Does 20 damage plus 10 more damage for each Energy attached to Hippowdon. Before doing damage, you may search your discard pile for a Fighting Energy card and attach it to Hippowdon.
Does 10 damage to each Benched Pokémon that isn't an Evolved Pokémon (both yours and your opponent's). (Don't apply Weakness and Resistance for Benched Pokémon).
Rising Rivals, in the Platinum series. It was released on May 16, 2009. The printed size is 111.
25/111. It is entry 25 of 120 in this checklist.
Tomoaki Imakuni. The catalog lists 13 other cards with that illustrator.
Rare.
Hippowdon #450, generation 4 (Sinnoh).
Save Sand (20+) and Groundquake (80).