Description, catalog fields, rules text, and how it plays—in one place.
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This Pokémon is very popular as a herding dog in the Galar region. As it runs, it generates electricity from the base of its tail.
Abilities, attacks, weakness & resistance
Flip a coin. If tails, this attack does nothing.
Other cards from Temporal Forces
Raging Bolt ex (Holofoil)
Iron Boulder ex (Holofoil)
Iron Crown ex (Holofoil)
Walking Wake ex (Holofoil)
Gouging Fire ex (Holofoil)
Iron Leaves ex (Holofoil)
Salvatore (Holofoil)
Morty's Conviction (Holofoil)
Eri (Holofoil)
Bianca's Devotion (Holofoil)
Raging Bolt ex (Holofoil)
Iron Boulder ex (Holofoil)
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Yamper (sv5-58 Reverse Holofoil) is a Basic Lightning-type Pokémon from the Temporal Forces expansion. It has a single attack, Whimsy Tackle, that deals 20 damage but requires a coin flip or else does nothing. The card has a Colorless retreat cost and a Fighting ×2 weakness, making it a simple low-cost attacker or early-game filler.
Catalog pricing data as of 27 Apr 2026, 02:44